![]() For day to day usage with a RADIUS solution that's validated and working, this message is specific enough to get by. But for someone in the midst of troubleshooting an integration it's vague and can lead to confusion. Making matters worse, while further info can be gleaned from the debug logs on your Horizon server, there are still blind spots from the perspective of a VDI admin. When a Horizon Connection server, acting as a RADIUS client, has a RADIUS request rejected it's not necessarily entitled to any explanation from the RADIUS server why the request was rejected. The client caches the credentials and doesn't force the user to reauthenticate unless the client is closed or logged off. This is where you configure how you want the system to handle different user session types. Disconnect from the desktop and leave the client open so that your entitled desktops are still displayed. In the Timeout Handling panel, provide the required settings. Sometimes all that's received from the RADIUS server is a terse Access-Reject packet, with no specifics on why the rejection occurred. To reproduce the issue, log into a desktop pool with the Horizon Client, I am using the latest build. From my home, it is not working (I am using Airtel connection). This can cause things to get dicey in the context of a RADIUS integration, particularly because VDI admins don't necessarily have access to the RADIUS server or its logs. I am using Vmware view Client 1.6 version. Leveraging utilities to verify RADIUS connectivityĪn Access-Accept is sent when authentication has fully completed and the user is granted access.Using network captures from Wireshark and Tcpdump.After providing a brief overview of how RADIUS authentication works, I'm going to detail the following strategies: This post will detail a few strategies for troubleshooting RADIUS integrations with Horizon. ![]() The Access-Accept packet includes a list of parameters, in the form of attribute-value pairs, that are required for access to the service.Īn Access-Reject is issued when you're request for access is rejected. Your username or password might be wrong or you're just not authorized. Go to Settings > Security and change the certificate checking mode. Select Add Server and enter as the Connection Server name. Leveraging Utilities To Verify RADIUS Connectivity Using Network Captures From Wireshark And Tcpdump Whatever the reason, you get nothing but the terse rejection of an Access-Reject, often without the courtesy of any explanation why.Īn Access-Challenge is issued if the RADIUS server requires another piece of information, like a secondary password, PIN, token, or card.Ĭisco offers an excellent primer on RADIUS titled, "How Does RADIUS Work." Here's a link: Also, if you're looking for some really exciting Friday night reading, here's a description of the standard by the Internet Engineering Task Force: #Vmware horizon client timeout error password After the installation, launch the VMWare Horizon Client desktop app by double-clicking its desktop shortcut icon or by going to the Windows Start Menu and choosing VMware Horizon Client. I ran across several utilities that can make RADIUS requests as a client against a RADIUS server for testing purposes. For more information on Horizon ports see: Network Ports in VMware Horizon. #Vmware horizon client timeout error password There are different paths or legs of connections between the client and the desktop virtual machine, and connectivity issues may be caused by a failure of any of the connection legs.This is occurring because the system is powered off.Īfter powering on all unmanaged View agents running on physical computers, the issue should be resolved. The apparent delay “Authenticating” or “Logging In” is caused by a Wake On LAN packet being sent to an unmanaged physical workstation that has the VMware View Agent installed. T16:07:34.296-06:00 INFO (1064-17F0) UnManagedMachineInformation Could not wake up PM within timeout The Fix T16:07:34.296-06:00 INFO (1064-17F0) UnManagedMachineInformation wait ended for startup update, returning false In the VDM debug logs, you may find something similar to below: T16:07:44.971-06:00 INFO (1064-181C) UnManagedMachineInformation Wake-on-LAN packet sent to machine Originally, I thought this issue was related to 2FA and/or RADIUS, however after disabling both, the issue was still present. JBack in 2018, I wrote about how the Horizon Solution did not have a Client Timeout setting. This occurs both with standard authentication, as well as 2FA/MFA/RADIUS authentication. This will either timeout, or eventually (after numerous minutes) finally load. If using the HTML client, it would get stuck on “Logging in”. I noticed after upgrading to VMware Horizon View 7.8 and VMware Unified Access Gateway 3.5, when attempting to log in to a VMware Horizon View Connection Server via the Horizon Client, I would get stuck on “Authenticating”.
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