citrix xendesktop black screen during logon

Issues - citrix xendesktop black screen during logon

 

Resolution  -

Modify the following reg key :
Key Location: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows
Name: AppInit_DLLs
Type: String
Value: mfaphook64.dll, instead of giving the path name.



 

No License server found at this address

Issue.








Background - During installation I have installed Citrix License server component on Delivery controller, as port to my license server was not opened and its a requirement to point License server during installation of Delivery controller.

No i want to point back to my production Citrix License server.

Ports - 27000, 8083,7279 are open , however i was getting above mentioned error.
 
Resolution -

Uninstall License server from Delivery controller and the change license server.