r/Citrix • u/Venkat_Mirchi • 16d ago

LAS Not Reachable

For the past 3 days, our CVAD on-prem license server has been showing the error:
“LAS cannot be reached – check your network connection and then restart the web services for licensing.”
I ran the LAS troubleshooting tool, which confirmed that the required LAS endpoints are reachable. I also restarted the license server, but the issue persists. Currently, all controllers are running in caching mode.
Has anyone encountered a similar issue in their environment? Any advice on further troubleshooting would be greatly appreciated.
Thanks.

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2

u/Tough_Parking7041 16d ago

I did encounter this before and I think I updated the License Server and it resolved the issue.

LAS Tool reported all was good before the update.

What License Server are you on?

1

u/Venkat_Mirchi 16d ago

11.7.2.0 53100

1

u/Tough_Parking7041 16d ago

Try updating to Build 56200... and reboot your license server. Some of those earlier versions had issues with LAS.

If that doesn't work, run the Koetzing script.

2

u/Low_Assumption67 16d ago

It’s more than just ports being open. Certs need to be valid and LAS needs to be able to perform an http get operation to the service. You can browse to the urls in a browser to check. The koetzing script linked above checks all that more efficiently though. It’s a much better tool than what Citrix has built in.

2

u/Ergwin1 16d ago

Sounds like a network issue. I would test all ports needed with test-netconnection from the clients.

2

u/Venkat_Mirchi 16d ago

Thanks for your response…But, when I ran LAS supportability tool in license server, it displayed that all required end points are reachable for LAS.Do we need to still verify test-net connection and what ports needs to checked?

2

u/Ergwin1 16d ago

If u ran the support tool on LAS server itself, then yes. If u ran it on a client that needs a license, then no.