[THIN] KB: CTX107237 - Wfshell.exe Fails to Launch in Users' Sessions
- From: "Jim Kenzig Kenzig.com" <jkenzig@xxxxxxxxx>
- To: thin@xxxxxxxxxxxxx
- Date: Mon, 22 Aug 2005 06:54:17 -0700 (PDT)
CTX107237 - Wfshell.exe Fails to Launch in Users' Sessions
This document was published at:
http://support.citrix.com/kb/entry.jspa?externalID=CTX107237
Document ID: CTX107237, Created on: Aug 17, 2005, Updated: Aug 17, 2005
Products: Citrix MetaFrame XP 1.0 for Microsoft Windows 2000, Citrix MetaFrame
XP 1.0 for Microsoft Windows 2003, Citrix MetaFrame Presentation Server 3.0 for
Microsoft Windows 2000, Citrix MetaFrame Presentation Server 3.0 for Microsoft
Windows 2003
Symptoms
Wfshell.exe is not launching in regular users? sessions.
Cause
Regular users may have lost permissions to the following registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\Install\{C05CE041-63DB-4467-B777-9FCB30013CA2}
Troubleshooting
1. Download the Regmon freeware utility from Sysinternals.
2. Filter on wfshell.exe, then click Apply and OK.
3. The main Regmon window opens with logging enabled for the specified
process(es).
4. Launch an application as a regular user.
5. Stop and save the trace.
6. Clear the Regmon log.
7. Start the Regmon process for a filter on wfshell.exe, but logon as an
administrator.
8. Compare a working log to a non-working log.
9. Open the non-working log and search for denied. In this example, wfshell was
returning an ACCESS DENIED result for a regular user.
1144 108.31141663 wfshell.exe:2984 OpenKey
HKLM\SOFTWARE\Citrix\Install\{C05CE041-63DB-4467-B777-9FCB30013CA2} ACCESS
DENIED Access: 0x20019
10. Open the working log and note that administrators have permissions to that
key.
Resolution
If the Everyone or Authenticated Users group has been removed, add it with read
permissions, or add the users or groups that require access
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