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Release Notes

Release notes for the May, 24 2026 update

Update Version 4.1.202605221614

New Features

Added Dark Mode Support to the WEB Console GUI

Dark mode improves usability in low-light environments, such as control rooms, overnight operations, shared workspaces, and after-hours administrative sessions. It helps reduce screen glare, lowers visual fatigue during extended use, and provides a more comfortable experience for operators who monitor or manage the WEB Console for long periods.

Added the option to provide endpoint credentials in native SSH clients.

Users can now initiate connections to remote Unix or Network Device endpoints from desktop or mobile SSH clients by providing endpoint credentials directly, while access remains securely mediated through the connection broker.

This feature enforces RBAC policies, approval workflows, and session monitoring with video and event recording, enabling secure, identity-based session management without requiring automated credential management.

This option complements the existing endpoint credential option available for WEB SSH clients.

Extensions

  • Added the option for asset managers to override credentials stored in the assets when connecting to the Windows endpoints using native desktop RDP clients.

  • Added a visual indicator in the assets list to identify assets that were recently created or updated.

  • Added an error message for Remote App connections through a jump host when the selected asset does not include the RDS jump host as a member.

Security

Components Update
  • Updated application WEB framework to the latest version.

  • Updated database access component to the latest version.

  • Updated WEB HTTP Sessions driver to the latest version.

  • Updated Informix driver to the latest version.

  • Updated dashboard chart component to the latest version.

  • Updated terminal emulator component to the latest version.

  • Updated client side data sanitation component to the latest version.

  • Updated client side markdown toolkit to the latest version.

  • Updated bill of materials monitoring component to the latest version.

  • Updated code audit component to the latest version.

  • Updated unit test toolkit to the latest version.

Fixes

  • Fixed the issue with accessing asset number fields with no defined values.

  • Changed the log level of the application trust manager initialization event to debug from information one.

  • Fixed the issue with creating new tenants from backup

  • Fixed the issue with restoring asset type container property.

  • Added debug logging for the WEB Sessions parameters to troubleshoot remote sessions.

  • Added debug mode for the AWS Console RDS jump host application to display received parameters to troubleshoot the remote application launcher.

  • Fixed an issue with error reporting for failed remote endpoint connections using native SSH clients.

Release notes for the May, 17 2026 update

Update Version 4.1.202605151622

New Features

Added the option to provide endpoint credentials in native RDP clients.

Users can now initiate connections to remote Windows endpoints from desktop or mobile RDP clients by providing endpoint credentials directly, while access remains securely mediated through the connection broker.

This feature enforces RBAC policies, approval workflows, and session monitoring with video and event recording, enabling secure, identity-based session management without requiring automated credential management.

This option complements the existing endpoint credential option available for WEB RDP clients.

Extensions

  • Added links to the release notes and to the application update guide to the home page message about the application update.

  • Added support to initialize deployment or to create a new tenant in the deployments that run inside containers such as Docker to remove the option to select embedded database as a backend storage.

  • Added the option to click on the site name in the site list to navigate to this site.

Security

Components Update
  • Updated application WEB framework to the latest version.

  • Updated database access component to the latest version.

  • Updated code audit component to the latest version.

  • Updated REST API documentation component to the latest version.

  • Updated client side data sanitation component to the latest version.

  • Updated logging API component to the latest version.

  • Updated Oracle RDBMS driver to the latest version.

  • Updated code editor legacy modes and view components to the latest version.

  • Updated dashboard chart component to the latest version.

Fixes

  • Fixed the issue with WEB HTTP sessions blurry remote screen visible on certain displays.

  • Fixed the issue with displaying user name when editing the form with the directory user of group selection control.

  • Fixed the issue with the process name for auto restore on the node processes screen.

  • Fixed the issue with adding previously deleted user to the tenant security scheme either by granting permissions directly, through a group, or by adding the user as a group member.

  • Fixed the issue with duplicated certificates reported in the certificate chain during trust verification process.

  • Fixed the issue with loading logger configuration.

  • Fixed the issue with redundant restore of the backup configuration at the end of restoring process in case there was no backups to restore.

Release notes for the May, 10 2026 update

Update Version 4.1.202605082044

New Features

Added support for configuring cryptographic settings for inbound SSH connections.

Enhanced SSH proxy security and interoperability by enabling configuration of supported cryptographic algorithms for inbound SSH connections made by native desktop or mobile SSH clients. This provides greater control over security policies and compatibility with enterprise SSH environments, including support for configuring:

  • Accepted Key Exchange (KEX) algorithms
  • Supported cipher algorithms
  • Supported MAC (Message Authentication Code) algorithms
Added configuration options for Web RDP session performance tuning

Introduced advanced performance settings for Web RDP sessions, allowing administrators to fine-tune the balance between usability, visual experience, compatibility, and bandwidth optimization.

These enhancements provide greater flexibility for optimizing Web RDP sessions across different network conditions and endpoint capabilities.

Supported configuration options include (with default values):

  • Color Depth (24)
  • DPI (default)
  • Enable Wallpaper (off)
  • Enable Theming (off)
  • Enable Font Smoothing (on)
  • Enable Full Window Drag (off)
  • Enable Desktop Composition (off)
  • Enable Menu Animations (off)
  • Disable Bitmap Caching (off)
  • Disable Offscreen Caching (off)
  • Disable Glyph Caching (on)
  • Disable GFX (off)
  • Force Lossless (off)

Extensions

  • Added the option to copy session URL to the clipboard from the WEB session launcher dialogue to automate direct access to the WEB session.

  • Added support to set password for non-root privileged user (non-root user with zero id) to "Unix Password Reset by Account Itself" script.

  • Added enhanced error feedback for Web Sessions to surface server-side issues, including connection failures, permission-related errors, and workflow block messages.

Security

Components Update
  • Updated application WEB framework to the latest version.

  • Updated database access component to the latest version.

  • Updated IP Address toolkit to the latest version.

  • Updated client side code auditing tool to the latest version.

  • Updated network streaming component to the latest version.

  • Updated terminal emulator component to the latest version.

  • Updated data binding component to the latest version.

  • Updated code editor view component to the latest version.

  • Updated server side logging framework to the latest version.

  • Updated internal scripting language component to the latest version.

  • Updated dashboard chart component to the latest version.

Fixes

  • Fixed the issue with access to policy preview dialogue.

  • Fixed the issue with access to the asset policy preview dialogue.

  • Fixed the issue with displaying service selection list on the service selector control in various parts of the application such as service request form or policy editing.

  • Fixed the issue with displaying term selection list on the term selector control in various parts of the application such as policy or tagging rules editing.

  • Fixed the issue with the mass un-tagging screen to allow operation to complete.

  • Fixed the issue with the client side activation action is enabled when there is no activation code provided.

  • Fixed the issue with confirmation messages about the policy actions on the policies list screen should reference the policy name instead of description.

Release notes for the May, 3 2026 update

Update Version 4.1.202605011636

New Features

Added clipboard transfer support to WEB HTTP Sessions

This feature enables bidirectional copy and paste between the local device and remote browser in Web HTTP sessions, improving usability and productivity when accessing web portals in zero-trust environments.

Added command enforcement for PowerShell client sessions

This option ensures that commands executed in sessions established via native PowerShell clients are restricted to approved directories, enhancing the security of remote operations on Windows endpoints.

Extensions

  • Added the option to drag-and-move clipboard dialog inside WEB session screen.

  • Added the option to configure the file system path for storing backup files.

  • Added the option to schedule automated restore from backup volumes placed in a designated folder, enabling Disaster Recovery (DR) node maintenance and offline node synchronization in multi-node deployments.

Security

Security Improvements
  • Added support for signing tenant backup files to ensure integrity and authenticity.

  • Added support to display backup signature status on the list of backups.

Components Update
  • Updated application WEB framework to the latest version.

  • Updated terminal emulator component to the latest version.

  • Updated JSON processing library to the latest version.

  • Updated REST API Documentation component to the latest version.

  • Updated PostgreSQL driver to the latest version.

  • Updated client side sanitation component to the latest version.

  • Updated client side markdown toolkit to the latest version.

Fixes

  • Fixed the issue with credentials override option for WEB HTTP Sessions.

  • Fixed the issue with host override option is available for the WEB Portal session launchers.

  • Fixed the issue with the password reset script "Unix Password Reset by Account Itself" to properly use the existing password for the new tenants.

  • Fixed the issue with "Unix Password Set by Shadow with no sudo Password" script to reuse the old password correctly for the new tenants.

  • Fixed the issue with respecting command filter configuration for the SSH sessions initiated from the command line shell.

  • Fixed the issue with using Firefox browser on Windows devices to access the application servicing traffic terminated by self-signed, expired or invalid certificate.

Development

  • Added the option to run multiple instances of the server on the same host. Introduced app.db.port and app.node system parameters to support multiple instances running on the same host.

  • Updated client side code auditing tool to the latest version.

Release notes for the April, 26 2026 update

Update Version 4.1.202604241240

New Features

Added support for filtering PowerShell session commands

Command filtering enables granular control of permitted and blocked commands within secure remote sessions initiated from native desktop or mobile PowerShell clients.

Added Support for Credentials Override Access through Connection Broker

Introduced the ability for users to initiate connections to remote endpoints by supplying their own credentials or destination details, while all access is securely mediated through the connection broker. This feature enforces RBAC policies, approval workflows, and session monitoring with video and event recording, enabling secure, identity-based session management without requiring automated credential management.

Key capabilities include:

  • Users can specify credentials or host details when connecting to assets without predefined values.
  • Asset owners can override stored credentials when initiating a connection.
  • Asset owners can override the target host for a connection.

Extensions

  • Added the option to search assets in the application command line interface shell.

  • Added the option to list only assets that allow SSH connection in the application command line interface shell.

  • Added the option to specify API token filter as a space-separated list of IP addresses and IP ranges.

  • Added event log message for successful and for failed REST API connections using API tokens.

Security

Security Improvements
  • Added the option to install, update and run the application on Linux hosts as a dedicated service user to enforce the principle of least privilege.

  • Added client side quality control tool to ensure code quality, consistency, and reliability across the WEB application.

  • Improved security, performance, stability and maintainability of the WEB application GUI by decoupling tightly linked components, simplifying expressions, lists and types management, enforcing strict compare and state maintenance, improving code reusability and notation as well as overall code cleanup.

Components Update
  • Updated application WEB framework to the latest version.

  • Updated client side markdown rendering component to the latest version.

  • Updated Code Editor View component to the latest version.

  • Updated HTML sanitization library to the latest version.

  • Updated MySQL Driver to the latest version.

  • Updated HTTP communication component to the latest version.

  • Updated FIPS cryptography utilities and certificate management components to the latest version.

  • Updated database access component to the latest version.

  • Updated database caching component to the latest version.

  • Updated data processing component to the latest version.

Fixes

  • Fixed the issue with early deployment of the application during Linux host OS startup by improving detection of system service management component.

  • Fixed the issue with error reporting and terminating the installation on the Linux hosts with no known service management components.

  • Fixed the issue with the incorrect type of the error exception generated for the SSH Script that cannot connect to the destination.

  • Fixed the issue with deleting an asset assigned as a reference to the import from LDAP.

  • Fixed the issue with dynamic issuer used in generated API token.

  • Fixed the issue with filtering REST API connections based on the client IP Address and API token filter.

  • Fixed the issue with the updating the application on Linux platforms with OpenRC service manager.

  • Fixed the alias command of the application command line interface to return sorted list of aliases.

  • Updated browser console messages about renewing a temporary authentication token to debug level.

Release notes for the April, 19 2026 update

Update Version 4.1.202604171651

New Features

Added secure transport support for native PowerShell client sessions

Enabled secure, zero-trust connections from native PowerShell clients to SSL-enabled Windows endpoints over HTTPS.

Extensions

  • Added the option to disable SAML signature security validation option when integrating with legacy IdP during SSO authentication.

  • Added the option to disable mail server host name verification when sending emails over secure channel.

Security

Security Improvements
  • Improved security of parsing protocol data and signature validation during SSO authentication, PowerShell script execution and integration with AWS.

  • Improved protocol security during PowerShell script execution.

  • Improves security of importing configuration objects.

  • Improved shared object initialization logic for parallel operations.

  • Improved error handling on WEB authentication pages.

  • Centralized access to the random number generator.

  • Improved encryption components through use of compliant random number generator.

Components Update
  • Updated application WEB framework to the latest version.

  • Updated database access component to the latest version.

  • Updated dashboard chart component to the latest version.

  • Updated REST API documentation component to the latest version.

  • Updated client side object sanitizer component to the latest version.

  • Updated client side markdown rendering component to the latest version.

Fixes

  • Fixed issue with Shadow Run-As role not being properly assigned for default shadow account tasks.

  • Fixed the issue with the context help for the SAML backend property on the editing screen.

  • Fixed the issue where invalid MFA code redirected users to login instead of allowing retry on the verification screen.

  • Fixed the issue with file system handler leaks when working with the files on the host file system.

  • Fixed the issue with archiving file system files on Windows hosts.

  • Fixed the issue with random access to encrypted files.

  • Fixed the issue with rendering zero height object during export to PDF.

  • Fixed stream resource memory leak issue affecting encrypted recordings, file transfers, and legacy integrations.

  • Fixed the issue with intelligent segmentation of specific disconnected networks.

  • Fixed the issue with generating full stack debug logs for specific REST API calls.

  • Fixed logger reuse issue in application authentication screens.

  • Fixed the issue with initiating WebSockets sessions in the cluster environment.

  • Fixed the issue with early error detection in malfunctioned deployments

  • Improved memory management when interacting with Duo Security MFA

  • Fixed the issue with individual export of Parsers by deferring the option to mass export of selected parsers.

  • Fixed potential performance issue when displaying errors in the system log.

  • Fixed the issue with exposing errors when pretty-formatting XML output.

  • Fixed the issue with unscheduling background processes.

  • Improved early detection of errors during error reporting.

  • Fixed the issue with terminating the application with currently run WEB HTTP session.

  • Improved stability of WEB Session auto-start command execution.

  • Improved stability of WEB HTTP and RDP Proxy Sessions.

  • Improved application stability by enforcing internal border condition verification, empty object values and object equality.

  • Fixed the issue with parallel submission of jobs to the Job Engine.

  • Fixed the issue with termination of background jobs.

  • Fixed the issue with the activation naming to follow the current year in the License Manager.

Release notes for the April, 12 2026 update

Update Version 4.1.202604101847

New Features

Added session termination controls for native SSH, RDP and PowerShell client connections

Enhanced control over SSH, RDP and PowerShell-based access with the ability to pause or terminate sessions initiated through native SSH, RDP and PowerShell clients, including interactive SSH, RDP, PowerShell, SSH exec, SFTP, SCP, and SSH tunnels.

Sessions can be automatically terminated based on policy conditions such as expiration, completion of approved actions, or real-time Session Intelligence triggers, enabling immediate response to risky activity and stronger enforcement of Zero Trust controls.

Added session event capture for native PowerShell client connections

Enhanced visibility into PowerShell-based access by capturing commands executed during native client sessions. This enables detailed auditing, event correlation, and real-time Session Intelligence responses, including alerting and session termination.

Added support for musl-based Linux deployments

Extended platform compatibility to include Linux systems using musl-based binaries, enabling deployment across lightweight and minimal environments.

This expands deployment options for PAM in microservices, cloud, containerized, Kubernetes, and AI-driven architectures, including scenarios involving secure credential sharing and MCP server–based credential access for AI agents.

Support is available for both x86 and ARM hardware architectures.

Extensions

  • Added session heartbeat reporting for native SSH client connections to provide continuous visibility into session activity and status.

  • Enhanced the MCP Server specification to support AI Agent initiated action requests, including the ability to wait for approval and handle approval or rejection outcomes before granting access to credentials.

  • Added support for custom install locations for offline installation and update.

  • Added support for deployment of the application on Linux systems that use OpenRC for service management.

  • Optimized performance of background operations.

  • Updated copyright year of apptool utility.

  • Added the option to run Jobs report with custom date range specified in the screen URL.

Security

  • Updated application WEB framework to the latest version.

  • Updated dashboard charts component to the latest version.

  • Updated markdown rendering component to the latest version.

  • Updated Terminal Interaction toolkit to the latest version.

  • Updated REST API Documentation component to the latest version.

Fixes

  • Fixed the issue with termination of internal services during shutting down or hot re-deploying the WEB application.

  • Added system log messages about stopping internal background services.

  • Fixed the issue with including gateway component to the offline installer.

  • Fixed deployment compatibility for standard distribution of Alpine Linux.

  • Fixed PDF export issue with long field values.

Release notes for the April, 5 2026 update

Update Version 4.1.202604031457

New Features

Added URL and API Blocking for Web HTTP Sessions

Introduced the ability to block specific URLs and API calls within Web HTTP sessions. This option enables administrators to restrict access to defined areas of destination web portals based on command filters associated with users and assets.

For example, organizations can prevent users from generating API tokens in a web portal while still allowing access to the rest of the application. This provides granular control over user actions in the WEB browser without impacting overall usability.

Added Full Transcript Recording for Web HTTP Sessions

Introduced the ability to record a full transcript of browser-to-portal communications during Web HTTP sessions, complementing existing video recording capabilities for enhanced visibility and auditing. This option captures all HTML traffic between the browser driver and the destination web portal, including requests, responses, and message bodies, and stores it as a searchable text transcript.

This capability enables organizations to support DLP policies and gain detailed visibility into user activity within management portals for auditing and investigation purposes.

Added Split Knowledge Option for Credential Access

Introduced a Split Knowledge option to display only a segment of a password when accessing credentials. This feature enforces dual control for sensitive accounts by dividing a credential into two independent segments and granting each user access to only one segment.

Users assigned to different segments must collaborate to reconstruct the full credential when required. This reduces the risk of misuse, supports segregation of duties, and helps meet regulatory requirements for shared control over highly privileged access.

This control is commonly used in high-security environments to prevent insider threats and ensure that critical actions require multiple authorized participants.

Added MFA Enforcement for Native PowerShell Sessions

Introduced support for enforcing MFA on sessions established using native PowerShell clients. This ensures user identity is verified before access is granted to remote PowerShell sessions, strengthening security for privileged operations.

Extensions

  • Improved MCP Server documentation and design to better guide AI agents in discovering authorized resources, requesting access, and securely obtaining credentials for network assets.

  • Added the option to request access to view or rotate the Break Glass Key, with optional MFA enforcement prior to executing the approved action.

  • Added out of the box Command Filter High-Risk Commands (Linux/Unix) as an example of command filters.

  • Added Windows Password Reconcile by Account Itself script for faster password reconciliation of local windows accounts.

  • Added Windows Password Reconcile by Shadow Account script for faster password reconciliation of local windows accounts.

  • Added support to report failed authentication and authorization events to the application event log.

Security

Components update
  • Updated application WEB framework to the latest version.
  • Updated Informix driver to the latest version.
  • Updated internal scripting language to the latest version.
  • Updated server side logging component to the latest version.
  • Updated REST API documentation component to the latest version.
  • Updated context help rendering toolkit to the latest version.
  • Updated Code Editor view component to the latest version.
  • Updated application icons component to the latest version.
  • Downgraded compilation language component to the latest version supported by the framework build.
  • Updated Terminal Interaction toolkit to the latest version.
  • Updated MariaDB Driver to the latest version.
Updated Web Container Configuration

Enhanced the out-of-the-box Web application configuration to improve security, performance, and observability:

  • Disabled the ability to shut down the application via local port.
  • Improved performance for handling small packet transfers.
  • Disabled disclosure of Web container vendor, version, and related identifying details.
  • Disabled automatic deployment of applications copied into the deployment directory.
  • Added protection against Cross-Site Tracing (XST) attacks.
  • Enabled suppression of stack traces, container version, and internal error details in responses.
  • Added support for resolving real client IP addresses when accessed through a load balancer.
  • Enhanced access logs to include real client IP (beyond the load balancer) and response time.
Updated bootstrap system logger configuration

Improved the bootstrap system logger configuration for better stability and log management:

  • Disabled automatic reloading of updated configuration files.
  • Removed color coding from file-based logs.
  • Increased log retention period to 90 days.
  • Disabled reporting of code location in log entries.
Updated Web Application Configuration

Enhanced the Web application configuration to strengthen security and standardization:

  • Disabled all default pages except the actively used index.html.
  • Renamed the application internal name.
  • Updated to the latest schema standards.
  • Enforced HTTPS for all communication with the Web application.
  • Added protection against clickjacking attacks (preventing embedding in iframes).
  • Added protection against MIME sniffing attacks.
Improved Security of login screens

Enhanced the security of login and registration pages:

  • Fixed an issue where error messages varied on the login page; now a consistent response is returned for all authentication failures.
  • Added protection against cross-site attacks to the Web application login page.
  • Added protection against cross-site attacks to the Web application registration page.
  • Added integrity attributes to authentication pages stylesheets.

Fixes

  • Fixed the issue with displaying escaped special sequences in the recording of the sessions established using native PowerShell clients.

  • Fixed the issue with displaying commands automatically generated by aliases in the recording of the sessions established using native PowerShell clients.

  • Fixed the issue with displaying session player progress bar on some client devices for the sessions established using native SSH or PowerShell clients.

  • Fixed the issue with the update availability message on the application dashboard to be visible for the auditors and administrators only.

  • Fixed the issue with the maximum password length on the default password requirement to be 64 characters.

  • Improved error message about the failure to connect to a peer node to include the node and endpoint URL.

  • Fixed the default file logger configuration to exclude line coloring in the log files and to increase log files retention to 90 days.

  • Fixed the issue with both client- and server-side input validation on user profile fields Mail, Last Name and First Name.

  • Fixed the issue with retrieving user context on the client side from the server with invalid asset parameters.

  • Fixed the issue with resolving issuer for system events, SAML and authentication tokens for the master users navigation from the base tenant to the asset one.

  • Fixed the issue with rotation and archiving of console logs on Linux platforms.

  • Fixed the issue with large exceptions were recorded in system logs in response to port scanning activity on the RDP proxy port.

Release notes for the March, 29 2026 update

Update Version 4.1.202603271934

New Features

Added Video Recording for PowerShell Sessions

Added support for video recording and playback of sessions initiated from native PowerShell and WinRS clients. Recordings can be enabled per user, user group, asset, or group of assets, providing flexible control aligned with existing session recording policies.

Session recording provides visibility and accountability for privileged access. It supports compliance with clear audit trails, strengthens security through faster investigation and threat detection, and helps train teams by capturing real-world interactions.

Security

  • Updated application WEB framework to the latest version.

  • Updated network streaming component to the latest version.

  • Updated code editor language component to the latest version.

  • Updated Data Serialization component to the latest version.

  • Updated Terminal Interaction toolkit to the latest version.

  • Updated WEB application language compiler to the latest version.

  • Updated WEB HTTP sessions driver to the latest version.

Fixes

  • Fixed the issue with complexity of action request protocol between AI Agent and the MCP Server.

  • Fixed the issue with the delay exiting the PowerShell proxy session.

Release notes for the March, 22 2026 update

Update Version 4.1.202603201558

Extensions

  • Added the option to navigate to the member asset from the Members list on the asset view screen.

  • Added support for the task executions to use default values of asset type fields in case the field is not defined on the asset level.

  • Added Script Timeout (in seconds) field to the Windows Host asset type to fine tune execution of long running scripts.

Security

  • Updated application WEB framework to the latest version.

  • Updated application WEB Container to the latest version.

  • Updated IP Address toolkit to the latest version.

  • Updated MS SQL Driver to the latest version.

  • Updated XML Data Binding component to the latest version.

  • Updated database access component to the latest version.

  • Updated dashboard charts component to the latest version.

  • Updated WEB application icons to the latest version.

  • Updated markdown rendering component to the latest version.

Fixes

  • Fixed the issue with executing long running PowerShell scripts on the remote Windows endpoints.

  • Fixed the issue with Windows Firewall Management script to operate on non-English operating systems.

  • Fixed the issue with releasing WinRM session on the remote Windows endpoints after executing sequence of jobs on them.

  • Updated Line Reader component used in the sessions established by native desktop or mobile SSH clients to the latest version.

  • Fixed the issue with reference to the full application REST API in the MCP Server entry endpoint.

  • Fixed the issue with missing PowerShell access server port configuration on the application initialization screen.

  • Fixed the issue with the context help for access servers on the application initialization and on the tenant editing screens.

  • Fixed the issue with exporting AI Insight query to PDF file in the non-English GUI.

  • Fixed the issue with preserving the list of assets in the application command line shell between connecting to assets.

  • Increased default timeout for peer node communications.

  • Optimized application WEB console performance.

  • Fixed the issue with the application online installer scripts to terminate the installation when Internet connection is not available or the distribution binaries are not accessible with the appropriate error message suggesting a user to use offline installer.

  • Fixed the Linux setup utility performance and distribution compatibility to check WEB HTTP driver dependencies and suggesting an FAQ article to install WEB HTTP Driver dependencies when required.