Category Archives: 13. Citrix

Citrix License Error

I was getting the error “Citrix XenApp cannot contact the license server”. this error was caused due to service failed on Citrix license server. The License service was up for a minute and failing iimediately.

Solution: Delete two files “concurrent_state.xml and/or the activation_state.xml” from
C:\Program Files\Citrix\Licensing\ls\conf\activation_state.xml and concurrent_state.xml on a 32-bit server

C:\Program Files(x86)\Citrix\Licensing\ls\conf\activation_state.xml and concurrent_state.xml on a 64-bit server

/opt/citrix/licensing/LS/conf/activation_state.xml and concurrent_state.xml for License Server VPX

Now restart teh Citrix license service on license server.

he solution was to rename “concurrent_state.xml” and “activation_state.xml” to “concurrent_state.old” and “activation_state.old” respectively and restart Citrix Licensing service. You may also need to restart Citrix Licensing Service, Citrix Licensing Support Service and Citrix Licensing WMI services.

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cd “C:\Program Files (x86)\Citrix\Licensing\LS\conf”
Set TDate=%date:~10,4%%date:~7,2%%date:~4,2%
Set TTime=%time:~0,2%%time:~3,2%
Set TStamp=%TDate%_%TTime%
rename concurrent_state.xml concurrent_state.%TStamp%.xml
rename activation_state.xml activation_state.%TStamp%.xml
net stop CitrixLicensingConfigService
net start CitrixLicensingConfigService
net stop “Citrix Licensing”
net start “Citrix Licensing”
pause

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