[vpn-help] BSOD Issue

Mike Scott mscott at mavsys.com
Wed Mar 24 15:25:16 CDT 2010

I'm submitting this to Sonicwall as well in hopes of getting some
information, but I am getting a BSOD when using the v2.1.6 client with
Windows 7 (64-Bit) and the Sonicwall NetExtender product (Several
versions).  Here is the situation - 


If I run the ShrewSoft VPN client alone, I am fine, but if I make a
connection to one of my customer's Sonicwall devices via their
NetExtender (SSL-VPN client) and then attempt to disconnect, I get a
BSOD every time.  I originally thought it was solely a Sonicwall problem
and went through many hoops with them to eventually determine that the
Shrew Soft client is involved as well.  I reviewed the dump file created
following the BSOD and the file that is causing it is the vfilter.sys
file.  Here is an excerpt from the dump -


vfilter.sys Bugcheck code: 0xA (0xFFFFF98000007AE5, 0x2, 0x0,


Dump file: C:\WINDOWS\Minidump\MEMORY.DMP


I'm not sure what to do at this point since I need both of these
software packages and ANY help would be appreciated.




Mike Scott

Maverick Systems

IT Manager

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