Microsoft KB Archive/329756

= Remote Desktop Connection software may cause an access violation if FilterQueueType is set =

Article ID: 329756

Article Last Modified on 5/21/2007

-

APPLIES TO


 * Microsoft Windows XP Professional
 * Microsoft Windows XP Home Edition
 * Microsoft Windows XP Home Edition
 * Microsoft Windows XP Professional

-



This article was previously published under Q329756





SYMPTOMS
The Terminal Services Advanced Client software (or Microsoft Internet Explorer if it is hosting the Terminal Services Advanced Client ActiveX control) may experience a general protection fault if you have set the  registry key to 7 as described in the following Microsoft Knowledge Base article:

302361 Multifunction Printers That Use DOT4 Ports Are Not Redirected By Using Remote Desktop



CAUSE
Although a null value is valid for a network port name, the client software does not handle this condition correctly.



Service pack information
To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

322389 How to obtain the latest Windows XP service pack

Hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows XP service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

  Date         Time   Version        Size     File name    Service pack -  07-Nov-2002  17:14  5.1.2600.105   503,808  Mstscax.dll  none 07-Nov-2002 20:34  5.1.2600.1137  599,552  Mstscax.dll  SP1



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section. This problem was first corrected in Microsoft Windows XP Service Pack 2.



MORE INFORMATION
If Dr Watson-enabled symbols are installed on the computer, the register state and the call stack in the Drwtsn32.log file or in the debugger are similiar to:   0:008> r   eax=00000000 ebx=00000007 ecx=00000000 edx=5fdd855c esi=5fdfb470 edi=00000000 eip=5fdeff8c esp=010afc84 ebp=010afc90 iopl=0        nv up ei pl zr na po nc   cs=001b  ss=0023  ds=0023  es=0023  fs=0038  gs=0000             efl=00010246 mstscax!_wcsnicmp+35: 5fdeff8c 668b01          mov     ax,[ecx]              ds:0023:00000000=????

ChildEBP RetAddr 010afc90 5fdd85ac mstscax!_wcsnicmp+0x35 010afcb0 5fdd9067 mstscax!W32DrAutoPrn::ShouldAddThisPrinter+0x32 010aff34 5fdd95f6 mstscax!W32DrAutoPrn::Enumerate+0x1d5 010aff54 5fdd97f7 mstscax!W32ProcObj::AnnounceDevicesToServerFunc+0x46 010aff5c 5fdd9815 mstscax!W32ProcObj::_AnnounceDevicesToServerFunc+0xd 010aff74 5fdd99c1 mstscax!W32ProcObj::DispatchAsyncIORequest_Private+0x19 010aff80 5fdd970c mstscax!W32ProcObj::_DispatchAsyncIORequest_Private+0x11 010aff98 5fdd997a mstscax!W32ProcObj::CheckForQueuedOperations+0x12 010affb0 5fdd99ad mstscax!W32ProcObj::ObjectWorkerThread+0x62 010affb4 77e802ed mstscax!W32ProcObj::_ObjectWorkerThread+0x9 010affec 00000000 kernel32!BaseThreadStart+0x37

Additional query words: ocx

Keywords: kbbug kbfix kbqfe kbwinxpsp2fix kbwinxppresp2fix kbhotfixserver KB329756

-

[mailto:TECHNET@MICROSOFT.COM Send feedback to Microsoft]

© Microsoft Corporation. All rights reserved.