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Citrix Studio is slow after moving to 7.15 LTSR CU2 from 7.6

Nitin Sehgal1709158050


Hello Guys,


I need assistance from experts wherein after moving to XenApp 7.15 LTSR CU2 from XenApp 7.6 all admins on Studio feel slowness in response.

While we were on XenApp 7.6 response of Studio was fairly quick but here on 7.15 LTSR CU2 we all feel lot of lag in comparison.


We have Studio installed on three servers-Mgmt server, DDC1 & DDC2. All three behave the same after upgrade.



Mgmt Server OS- Server 2012 R2


Studio version- 7.15.2000.260

.net framework- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full- version 4.6.01055


DDC1/ DDC2 OS- Server 2016


Studio version- 7.15.2000.260

.net framework- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full- version 4.6.01586


I have already removed the certificate checks from Internet explorer> Advanced> security settings> restart the server but still the response is not fast.



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Hi Kevin,


I hope you have already unchecked following from IE advanced settings:


Check for publishers certificate revocation

Check for server certificate revocation


In my case above didnt help though (But it did help few other folks) .  Due to Design constraints i cant check the .net dependency which i believe should resolve the problem. May be if you can try to check it with lower versions of .net framework like v4.5


Please let me know the results afterwards.

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