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  • KB518
  • Oct 10, 2023 09:34 AM

I have a problem with BSOD when using SaveAs on a Citrix XenServer Terminal Server

Symptoms

When users save a file using Save As on a Citrix XenServer (Terminal Server) to a USB device the server crashes with a BSOD.

Cause

This appears to be caused by the way atomic ReOpen is handled on these servers.

Resolution

Use our Active Directory Group Policy Template for the Editor to disable atomic ReOpen and use the more traditional CreateFile/CloseHandle pair of functions.

The Group Policy Template can be downloaded from here:
PDFXEditor.admx
PDFXEditor.adml

This KB describes how to set up the template on a domain controller to make it available in the Central Store along with default templates - there is nothing unique to ours, it works like any other Administrative Template.

The Policy is found under Miscellaneous in the Editor's Template:
Click to enlarge image

Set it to Disabled to use the CreateFile/CloseHandle pair of functions:

Alternative

Should the above not solve this issue, there is an alternative. You may apply the registry key linked Here under HKCU. We have found in instances where the fix does not work in HKLM, that current user seems to do the trick. If neither of these options help, please contact support@pdf-xchange.com

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