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Compatibility issue with VSE 8.8 Patch 1 and XenDesktop 5.6
Technical Articles ID:   KB75201
Last Modified:  1/27/2015


McAfee VirusScan Enterprise 8.8 Patch 1, 8.7i Patch 5

Citrix XenDesktop 5.6

For VirusScan Enterprise supported environments, see KB51111.


A blue screen error can occur when VirusScan Enterprise (VSE) 8.8 Patch 1 or VSE 8.7i Patch 5 coexists with the latest release of XenDesktop 5.6 and you use the personal vDisk feature.

Example Stack Text output (no symbols):
00 a5206e24 892419af nt!KeBugCheckEx+0x1e
01 a5206e4c 892cc776 Ntfs!NtfsExceptionFilter+0xad
02 a5206e58 8923ce68 Ntfs!NtfsFsdDispatchSwitch+0x22d
03 a5206e6c 8924245a Ntfs!_EH4_CallFilterFunc+0x12
04 a5206e94 82e89622 Ntfs!_except_handler4+0x8e
05 a5206eb8 82e895f4 nt!ExecuteHandler2+0x26
06 a5206edc 82ebd388 nt!ExecuteHandler+0x24
07 a5206f70 82ec605c nt!RtlDispatchException+0xb6
08 a5207380 82e4fe76 nt!KiDispatchException+0x17c
09 a52073e8 82e4fe2a nt!CommonDispatchException+0x4a
0a a520746c 892bdd12 nt!Kei386EoiHelper+0x192
0b a52074e4 892cc6c4 Ntfs!NtfsCommonQueryInformation+0x56
0c a5207548 892cc7db Ntfs!NtfsFsdDispatchSwitch+0x17b
0d a520767c 82e485be Ntfs!NtfsFsdDispatchWait+0x1c
0e a5207694 92bd5365 nt!IofCallDriver+0x63
WARNING: Stack unwind information not available. Following frames may be wrong.
0f a52076c4 92bd5a8b mfeavfk+0x17365
10 a52078c4 890a903f mfeavfk+0x17a8b
11 a52079d0 890aec0a mfehidk+0x3003f
12 a52079f0 8909d8e9 mfehidk+0x35c0a
13 a5207a30 890adb4f mfehidk+0x248e9
14 a5207a7c 8908046b mfehidk+0x34b4f
15 a5207a9c 89080c0d mfehidk+0x746b
16 a5207bc0 890c6700 mfehidk+0x7c0d
17 a5207c28 8303e8c1 mfehidk+0x4d700
18 a5207cd0 830855c4 nt!IopXxxControlFile+0x2d0
19 a5207d04 82e4f28a nt!NtDeviceIoControlFile+0x2a
1a a5207d04 77747094 nt!KiFastCallEntry+0x12a
1b 00f4fac0 77745864 ntdll!KiFastSystemCallRet
1c 00f4fac4 759197b5 ntdll!NtDeviceIoControlFile+0xc
1d 00f4fb24 75cab96d KERNELBASE!DeviceIoControl+0xf6
1e 00f4fb50 002723c4 kernel32!DeviceIoControlImplementation+0x80
1f 00f4fb88 0027272a mfevtps+0x23c4
20 00f4fba8 764075a8 mfevtps+0x272a
21 00f4fbbc 75caed6c sechost!ScSvcctrlThreadA+0x21
22 00f4fbc8 7776377b kernel32!BaseThreadInitThunk+0xe
23 00f4fc08 7776374e ntdll!__RtlUserThreadStart+0x70
24 00f4fc20 00000000 ntdll!_RtlUserThreadStart+0x1b


In VSE 8.8 Patch 1 and 8.7i Patch 5 and later versions, Intel Security changed the VSE driver architecture to make use of the filter manager mini-filter driver model. This change exposed weaknesses in third-party driver code and in the McAfee code. The issue is triggered if you use the personal vDisk feature in XenDesktop.


This issue is resolved in VSE 8.8 Patch 2 release which is available from the McAfee Downloads site using a valid Grant Number.

Patches are cumulative, therefore Intel Security recommends that you install the latest one.

VSE 8.8 Patch 8 is the latest patch available from the Downloads tab of the ServicePortal at https://support.mcafee.com/downloads.
VSE 8.8 Patch 8 provides support for all supported Windows operating systems.

McAfee product software, upgrades, maintenance releases, and documentation are available from the Product Downloads site at: http://www.mcafee.com/us/downloads/downloads.aspx.

 You will need a valid Grant Number for access. KB56057 provides additional information about the Product Downloads site, as well as alternate locations for some products.


Intel Security advises against installing XenDesktop and VSE 8.8 Patch 1 / VSE 8.7i Patch 5 on the same computer if you use the personal vDisk feature.

If you experience the issue above and want to keep using both products:
  1. Remove the VirusScan Enterprise.
    1. Click Start, Run, type appwiz.cpl and press ENTER.
    2. Locate and right-click McAfee VirusScan Enterprise.
    3. Click Uninstall.
  2. Install one of the following:
    • VirusScan Enterprise 8.8 (unpatched)
    • VirusScan Enterprise 8.7i Patch 4
For instructions, see your product documentation.
For a full list of product documents, go to the ServicePortal at: http://support.mcafee.com. Click Knowledge Center, and select Product Documentation from the Knowledge Base list.

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