Our network has 10 Windows child domains. We have a UIA installed on 2 Domain Controllers (mix of 2003/2008 Windows Servers) in each child domain. On about 8 of our 20 UIAs we have had the UIA process stop unexpectedly or not start up automatically after a server reboot. Event logs are not pointing to the issue. We are using port 55555 for the communication between the PAN FW and the UIAs and have not noticed a port conflict. Has anyone experienced these issues to any degree? Any suggestions on how to eliminate this issue? We are using the current UIA (3.1.2) and PAN OS 4.0.4. We had the same issue when we were on 3.1.8. Thanks.
You can also check the logs on the UIA to see if there is an event logged on the UIA and can also enable debug logs on the UIA to get more info. Also is there a specific UIA on which the issue is seen more frequently then others?
I would suggest you to open up a support case for this issue.
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