Windows

  • Updated on Nov 18, 2025
  • Published on Apr 13, 2021
  • 12 minute(s) read
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  • Perimeter Support
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Windows agent 12.2.0.9608

November 18th, 2025

Currently under gradual rollout to all customers (usually takes 2-3 weeks).

Enhancements:

  • Admins can now hide the Reset Agent button in the agent UI, preventing end-users from resetting the agent themselves (Available in Early Availability mode)

Resolved Issues:

  • P81-85870, P81-77546 – False DPC result causes users to automatically sign-out
  • P81-85866 – Traffic redirection causing allowed URL's to get blocked

Windows agent 12.1.0.9079

October 21st, 2025

Enhancements:

  • Idle Device Detection and Automatic Sign-Out - The Harmony SASE agent now detects unattended devices and disconnect those users from your private resources, thereby protecting the company resources.

Resolved Issues:

  • P81-75516 – Wrong trusted web server detection leading to VPN disconnection

Windows agent 12.0.0.8750

September 29th, 2025

Enhancements:

  • Multi-language Support - The agent now supports multi-language mode and is fully localized in French. Users can set the language through:
    • User settings
    • Automatically by the OS language
    • Installation parameters
  • Device Posture Check (DPC) - A new DPC feature offers full device certificate validation. Administrators can now verify authenticity, validity, and private key matching to strengthen overall device security and compliance (Available in Early Availability mode)
  • Granular DLP Policy Control - Enhanced DLP policy granularity by adding a new dimension - service. It allows administrators to select web categories, URLs or applications (Available in Early Availability mode)

Resolved Issues:

  • P81-72328 – Trusted network detected while connected to a regular network
  • P81-76823 – Failure to get URL reputation categorization

Windows agent 11.7.0.2606

July 28th, 2025

Enhancements:

  • Transparent Internet Access protection now supports deployment through Mobile Device Management (MDM) for domain users, even if you do not provide the user's email address.
  • Switch user event tracking and monitoring allows better security event tracking and accurate policy enforcement on shared devices.
  • Agent anti-tampering mechanism now also protects Harmony SASE agent processes and services from being terminated (Available in Early Availability mode)
  • Added Data Loss Prevention (DLP) support for file uploads to detect and block sensitive data exfiltration (Available in Early Availability mode)
  • Introduced Tenant Restrictions to control user access to approved Office 365 and Google Workspace tenants. This helps to prevent data leaks and shadow IT (Available in Early Availability mode)
  • Enhanced Application Control granularity with new actions to block file uploads to Box and Google Drive (Available in Early Availability mode)
  • Agent to Platform communications have transitioned to port 443, enabling user policy updates and usage monitoring even on restricted networks

Resolved Issues:

  • P81-67078 – Similar Device ID causes fail in multiple devices sign-in
  • P81-67952 – Uninstallation code request pop-up not presented
  • P81-69474 – Resources connectivity issue when failing to disable IPv6

Windows agent 11.6.0.2555

May 21st, 2025

Enhancements:

  • A new option allows Harmony SASE agent's Internet Access protection to be disabled when the device is connected to a secured trusted network, to avoid duplicate traffic inspection.
  • Device isolation from Local Area Network (LAN) is now available as a new option to enhance device security. (Available in Early Availability mode)
  • Customization of Block/Warn pages is now available, allowing tailored messages for end-users.

Resolved Issues:

  • P81-62620, P81-62633 – Private DNS resolve issues
  • P81-65145 – User can disconnect while always-on mode in enabled
  • P81-69416 – Split Tunnel FQDN entries resolve issues

Windows agent 11.5.0.2501

March 27th, 2025

Enhancements:

  • A new option is available to install the Harmony SASE agent, enabling Internet Access security to start working out of the box without user interaction.
  • The new Application control security engine allows managing and restricting applications on end-user protected devices.
  • URL Filtering Allow logs - Harmony SASE now collects and stores Allowed end-user browsing history in the Admin portal.
  • The Agent anti-tampering feature now allows administrators to enforce an admin code requirement to uninstall the Harmony SASE agent.
  • URL Filtering, Malware Protection, Anti-Bot, and Threat Emulation logs are now available on Infinity Events and in a new Security Events screen. These logs can also be exported to SIEM systems via Infinity Events.

Resolved Issues:

  • P81-56886, P81-61354 – Unable to access specific internal resources (DNS resolve error)
  • P81- 62195 – Agent connectivity problems with local Wi-Fi network

Windows agent 11.2.1.2378

January 22nd, 2025

Enhancements:

  • New Anti-Bot security engine detects and prevents access to malicious URLs.
  • New Threat Emulation engine uses connected sandboxes to prevent multi-stage attacks at the earliest available stage.

Resolved Issues:

  • P81-53008 – Long VPN connection time post device reboot
  • P81-53330 – DNS connectivity loss post network connection
  • P81-54570 – Some deny logs does not appear in management platform
  • P81-55316 – Trusted environment users are presented in platform as VPN connected users

Windows agent 11.1.0.2248

November 12th, 2024

Enhancements:

  • Enhanced Trusted Network capability, now supporting the use of an HTTPS server and a TLS certificate
  • Implemented a comprehensive update to our Malware protection engine

Resolved Issues:

  • P81-47954 - Users experience BSOD
  • P81-51792 - Device status does not updates after sleep when connected to trusted router

Windows agent 11.0.11.2205

October 16th, 2024

Resolved Issues:

  • P81-54903 - User gets stuck in obtaining an IP address mode

Windows agent 11.0.10.2177

Enhancements:

  • Added support for wildcards in URL filtering rules

Resolved Issues:

  • Updated vulnerable library (CVE-2024-21907)
  • P81-48205 - Unable to remove configured default DNS

Windows agent 11.0.1.2083

August 28th, 2024

Resolved Issues:

  • Mitigation for OpenVPN vulnerability (CVE-2024-1305)
  • P81-50980 - Custom URL SWG allow rule mismatch

Windows agent 11.0.0.2050

July 30th, 2024

Enhancements:

  • Implemented a comprehensive update to our Web filtering security engine.
  • Rebranded the taskbar icons.
  • Rebranded Block, Warn, and Malware Protection pages
  • Renamed installation file from Perimeter81_10.x.x.xxxx.msi/exe to HarmonySASE11.x.x.xxxx.msi/exe
  • Bug fixes and stability improvements.

Resolved Issues:

  • P81-36415 - Agent not opening channel
  • P81-38160 - Unexpected Timeout On Agent
  • P81-38285 - Stuck in Connecting State when on Trusted Routers
  • P81-42138 - Windows 10.5 Web activity doesn't log events when signed out
  • P81-42248 - Windows agent installer deploys with older .net8 version
  • P81-46702 - Windows agent connected to EU platform is not showing the GW IP but the native IP address
  • P81-47192 - SWG not blocking site

Windows agent 10.5.2.1979

June 28th, 2024

Resolved Issues:

  • P81-47112, P81-47119, P81-47205 - Latency issue with Citrix and RDP

Windows agent 10.5.1.1790

May 20th, 2024

Resolved Issues:

  • P81-37892 - Compatibility with N-Able Web protection
  • P81-38465 - Windows 11 machines BSOD with specific netio.sys with DRIVER_IRQL_NOT_LESS_OR_EQUAL
  • P81-39767 - SWG events initially not sent correctly after switching to a workspace in a different region

Windows agent 10.5.0.1760

March 29th, 2024

New Features:

  • Secure Web Gateway (which includes Web Filtering and Malware Protection) now stays active even when the user is signed out of the agent, using the most recently cached web filtering policy. The user interface has been updated to show that the SWG is enabled in this situation. If allowed by the admin, the SWG can be turned off by quitting the agent.

Enhancements:

  • The agent supports the new European Data Residency instance of Harmony SASE, which will be launched in April. The data residency region can be configured when installing the agent using a new 'region' parameter, or by switching to it from the platform sign-in page when signing in to the agent.

  • Improved, simplified connection logic and refactoring for speed.

  • Agent logging events have been moved to a new, robust and more scalable infrastructure.

  • Improvements to the Web Filtering category resolving mechanism.

  • .Net version updated to 8.0.

  • The agent is now signed with a Check Point certificate instead of a Perimeter 81 certificate.

Resolved Issues:

  • P81-27360 - DNS resolution issue when using split tunneling + Custom DNS

  • P81-35882 - Latency in video calls (Zoom, Google Meet)

  • P81-36299 - Web Filtering rule with all categories is applied partially

  • P81-38526 - Memory used by agent grows over time

Windows agent 10.4.3.1672

Feb 27th, 2024

Resolved Issues:

  • P81-37301 - Compatibility issue with external DNS filtering tool

Windows agent 10.4.2.1645

Jan 29th, 2024

New Features:

  • The Perimeter 81 agent is now rebranded to Check Point - Harmony SASE.

Windows agent 10.4.1.1616

Jan 12th, 2024

Resolved Issues:

  • P81-36347 - Zoom disruptions if browsing during the call with SWG
  • P81-36553 - Chrome hangs for after quitting agent
  • P81-36556 - Agent disconnects every few minutes
  • P81-36609 - Agent stuck in reconnecting with no Internet

Windows agent 10.4.0.1587

Dec 26th, 2023

Enhancements:

  • The Perimeter 81 agent is now rebranded to Check Point - Quantum SASE. This includes new logos and a new color scheme.

Resolved Issues:

  • P81-30416 - Malware Protection updates failure the first time after install
  • P81-31366 - Agent auto-connects even though the network is trusted
  • P81-32742 - Mitigation for OpenSSL 3.1 vulnerability
  • P81-32314 - Conflict between agent proxy and external tool (Gradle) causes timeout errors
  • P81-33073 - Update bundled .Net version to 7.0.14 since .Net 7.0.5 has vulnerabilities
  • P81-33383, P81-33927 - Split Tunneling with FQDN not working
  • P81-34713 - Users get signed out prematurely
  • P81-35101 - Cannot utilize 3rd party DNS filter

Windows agent 10.3.1.1542

Nov 15th, 2023

Resolved Issues:

  • P81-33909 - Users cannot connect to the Agent using wifi, but can using LAN
  • P81-33915 - Wifi not working when switching between networks

Windows agent 10.3.0.1526

Oct 31st, 2023

Enhancements:

  • Agent log collection can now be initiated remotely by Harmony SASE support, without requiring end-user involvement.

Resolved Issues:

  • P81-26561 - Agent does not automatically disconnect the network when awaking from sleep when on a Trusted Network.
  • P81-31029 - Connecting to a Trusted Network does not disable 'Kill Switch'
  • P81-31366, P81-31712 - Agent sometimes connects even when on a defined Trusted Network
  • P81-27300 - Potentially sensitive information is now scrubbed from locally stored logs
  • P81-31380 - Installing with the silent option displays a pop up after installation
  • P81-31823 - Split Tunnel Include adds a default route when using FQDN objects for the OpenVPN protocol
  • P81-32819 - After disconnecting, the Public IP is stuck in 'Refreshing' state

Windows agent 10.2.0.1494

September 19th, 2023

Enhancements:

  • DNS settings are now reverted when disabling the 'Use VPN Interface DNS' toggle
  • Improved WireGuard session keep-alive mechanism with shorter intervals and random outbound port selection
  • Agent now keeps retrying the session reconnect when the agent is launched without an Internet connection or when the connection is lost
  • Updated .net version to 7
  • Updated OpenVPN version to 2.6.3
  • Updated OpenSSL version to 3.1

Resolved Issues:

  • P81-30572 - Conflict with 3rd party DNS filter on device
  • P81-24554 - SWG bypass rule not working with 'Any' in destination
  • P81-30039 - SWG hanging on Windows 10 device
  • P81-31541 - Disconnection every 10-15 minutes
  • P81-31571 - Agent not appearing in system tray after reboot

Windows agent 10.1.1.1438

August 22nd, 2023

Resolved Issues:

  • P81-30590 - Issue with automatic agent upgrade
  • P81-30582 - Errors in agent service log
  • P81-30432 - Excessive data in service log

Windows agent 10.1.0.1399

July 16th, 2023

New Features:

  • Support for split tunneling configuration by domains (FQDN)!
  • Improved automatic silent update process allows seamless, background updates to new versions of the agent!

Enhancements:

  • Improved agent log collection mechanism, supporting larger payloads and more detailed logging
  • Improved sleep-awake mechanism for faster reconnection
  • IKEv2 protocol deprecated as a method of agent connection - removed from agent UI

Resolved Issues:

  • P81-27361 - Agent fails to auto-login after startup
  • P81-27313 - Service crash after opening laptop lid - .net runtime error
  • P81-23620 - Agent getting IPv6 DNS servers on initial startup

Windows agent 10.0.2.1353

May 31st, 2023

Enhancements:

  • Agent debug logs have been improved for better readability.

Resolved Issues:

  • P81-23056 - ZTA Apps do not load with Windows Agent and WireGuard protocol
  • P81-23864 - 'Connecting' status appears only briefly between Connect and Disconnect
  • P81-24876 - Agent UI crashes but the session remains
  • P81-26223 - Connect/Disconnect to VPN takes longer than expected after first start & sign-in
  • P81-26292 - Agent displays incorrect Public IP & Internal IP
  • P81-27001 - SWG Bypass rules not working

Windows agent 10.0.1.1286

May 7th, 2023

New Features:

  • The agent now supports the new Exclude configuration option for Split Tunneling (so that all traffic except specific addresses will go through the tunnel).

Resolved Issues:

  • P81-24627 - Agent fails to connect - Unexpected exception (1060)

Windows agent 9.0.4.1220

March 5th, 2023

New Features:

  • When the user session expires (according to the session length set by the administrator), the agent will be automatically logged out during local night time, in order to avoid disconnections during the workday. This applies to session lengths of 2 days and above.

Resolved Issues:

  • P81-22660 - Agent remains in 'Reconnecting' status after deleting user access to a Network the user was connected to
  • P81-23319, P81-23456 - Wireguard - added retries when the agent fails to connect automatically on agent start with Always On
  • P81-23475 - Agent remains in 'Connecting' status after restarting the PC when there's a WSC rule in DPC

Windows agent 9.0.3.1202

Feb 14th, 2023

Resolved Issues:

  • P81-22544 - Service not starting due to mismatching versions of .NET desktop and ASP.NET Core runtimes

Windows agent 9.0.2.1195

Jan 25th, 2023

New Features:

  • Secure Web Gateway (SWG) now includes Malware Protection! SWG users now have an additional layer of protection against malicious software, on top of the existing web filtering functionality. Malware Protection actively scans content before it reaches the user's browser, blocks multiple types of threats, and notifies the user. Admins can view logs of blocked malware in a new page under the Monitor and Logs section.

Resolved Issues:

  • P81-22435 - fixed issue with SWG bypass rules
  • P81-22478 - fixed delay in connection after sleep mode

Windows agent 9.0.1.1178

Dec 27th, 2022

New features:

  • Upgraded to use Microsoft.net 6
  • Support for using WSL while connected to the agent
  • The agent can now remain connected while P81 SDP backend is briefly restarted/offline, for better connection stability

Enhancements:

  • In the Protocols section, relabeled 'Automatic' protocol to 'Default'
  • Improved IPC implementation for better connectivity
  • Agent Sign-Out - brute-force code entry prevention

Resolved Issues:

  • P81-20661 - SWG Application Bypass not working for logmein
  • P81-16344 - Tresorit application is failing to connect when agent is connected
  • P81-15433 - OpenVpn connection reconnects every hour
  • P81-19447 - DPC check for domain association failing occasionally
  • P81-13716 - Perimeter81.Service fails to clear leftover WG tunnel
  • P81-14834 - Issue connecting using WireGuard protocol on v8.1.1.874
  • P81-16394 - Service crash upon clean install when applying TrustedWifiNetworksLocked setting
  • P81-16884 - After 'Reset Agent' action, stuck in loading screen
  • P81-17618 - Application blocked by SWG
  • P81-13317 - OpenVPN connection disconnecting after 1-2 minutes
  • P81-14509 - Incorrect status reflected in quick access UI when the Internet connection has been lost.
  • P81-16020 - WireGuard - incorrect status in the Agent after sleep mode.
  • P81-16267 - The agent did not reconnect to VPN after sleep mode
  • P81-16491 - Enforcing 'Automatic Wi-Fi Security' also enforced 'Trusted Wifi Networks'.
  • P81-16553 - 'Disable Sign-Out'- can't relaunch the Agent for the first time after exiting Agent.
  • P81-17015 - Silent Upgrade - Agent not updated after Sleep mode
  • P81-18690 - Laptop is unable to boot after installing agent - "The Perimeter81.Service service terminated unexpectedly."
  • P81-11493 - Perimeter81 folders not deleted after agent uninstall