Upgrade failure

Upgrade failure

Issue:
Upgrade fails with error - "Error occurred :: Irrevertable exception occurred"



Analysis:
Tried to start database manually, but it fails to start. Antivirus has been disabled/uninstalled.

Log Traces:

Aug 10, 2016 4:02:37 PM  [com.adventnet.db.adapter.postgres.DefaultPostgresDBInitializer]  [INFO] : Command to be executed [C:\ManageEngine\AnalyticsPlus\pgsql\bin\pg_ctl.exe, -w, -D, C:\ManageEngine\AnalyticsPlus\pgsql\data, -o, "-p33366", start] 
Aug 10, 2016 4:02:37 PM  [pglog]  [INFO] : waiting for server to start....This program is blocked by group policy. For more information, contact your system administrator. 
Aug 10, 2016 4:02:38 PM  [pglog]  [INFO] :  stopped waiting  

Solution:
Check for any anti virus policy which is blocking the database to start (If disabling anti virus is not possible).
Verify if there is a Group Policy to prevent exe files from running under the appdata folder. 

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