While I was building a proof of concept for my customer I ran into some issues that where seemingly unrelated. I was building a brand new Windows 2012 R2 / XenApp 7.5 environment including RES Automation Manager, RES Workspace Manager and App-V 5 (SP2). After installing and testing the core XenApp infrastructure, I started to configure the XenApp (Worker/Application Servers) this is when I ran into problems. After installing the App-V (SP2) client and rebooting the server I was no longer able to logon to the Published Desktop I’ve created and successfully tested earlier.
The Citrix receiver keeps hanging on a black logon screen (did not launch pfwsmgr.exe) and after a while the session was ended. I knew there was an issue on Windows 2008 R2 that resulted in a black screen only this was merely a cosmetic issue, because in Windows 2008 logon succeeded and a desktop was presented. To solve this issue you had to create the registry key:
Registry Key: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Citrix\Logon
As I was not sure if this still applies to Windows Server 2012 R2 I decided to add this registry key to the application server. After logging on Windows revealed its error message that was not show before (User profile service). The EventVwr error message corresponding to this visual error contains:
Windows cannot copy file \C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\Control Panel.lnk to location \?\C:\Users[userid]\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\Control Panel.lnk. This error may be caused by network problems or insufficient security rights.
DETAIL – The process cannot access the file because it is being used by another process.
This error led me to following knowledge base document: 2985344
This document addresses problems that some may experience after installation of hotfix KB2919355. The document also links to hotfix 5 for App-V 5 (SP2) Client after installing this hotfix all was working again.
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