Hub randomly shows error message "The proxy was unable to load balance any of the engine services"

Sonja_Bauernfeind — Thu, 13 May 2021 17:46:55 GMT

Hub randomly shows error message "The proxy was unable to load balance any of the engine services" when users are accessing the HUB.

Environment:

, all versions

Causes:

It is possible that an antivirus service is locking Qlik Sense system files with active live scanning.

Resolution:

Add the following exceptions to the antivirus (Default paths, that may change if they have been customized), the change will apply to all nodes:

For more details see article "Antivirus exceptions for Qlik Sense- McAfee, Symantec & Other Anti-Virus exclusions absolutely required"

C:\ProgramData\Qlik
C:\Program Files\Qlik
C:\Program Files\Common Files\Qlik
Also the Shared folder location
C:\Users\YourId\AppData\Local\Temp
Restart the operating system after completing the changes.

article Hub randomly shows error message "The proxy was unable to load balance any of the engine services" in Official Support Articles

Hub randomly shows error message "The proxy was unable to load balance any of the engine services"

Causes:

Resolution: