MngAgent Access Violation In Function CStdAgentProxy: SetPending

ID: Q196392

The information in this article applies to:

SYMPTOMS

The SNA Server Manage Agent service (MngAgent) may fail unexpectedly with an access violation, causing the SNA Server service to appear in an [Offline] status.

If Drwtsn32.exe is configured as the Windows NT default debugger on the computer, the <Ntroot>\Drwtsn32.log entry will be created for the MngAgent failure, indicating a fault in the routine CStdAgentProxy::SendPending as follows: 


   Application exception occurred:
App: mngagent.exe (pid=<process id>) When: <date> @ <time> Exception number: c0000005 (access violation) 



   function: CStdAgentProxy::SetPending
01003624 8b4130 mov eax,[ecx+0x30] 01003627 0bc2 or eax,edx 01003629 894130 mov [ecx+0x30],eax 0100362c 8b442408 mov eax,[esp+0x8] 01003630 85c0 test eax,eax 01003632 741b jz 

   CStdAgentProxy::SetPending+0x2f
01003634 837c240401 cmp dword ptr [esp+0x4],0x1 01003639 7506 jnz 

   CStdAgentProxy::SetPending+0x21 )
0100363b 095014 or [eax+0x14],edx 0100363e c20c00 ret 0xc 

   FAULT -&gt;01003641 8b4814           mov     ecx,[eax+0x14]


CAUSE

This unexpected failure of the Manage Agent service is due to an internal error within the MngAgent service.


RESOLUTION

SNA Server 3.0

To resolve this problem, obtain the latest service pack for SNA Server version 3.0. For additional information, please see the following article in the Microsoft Knowledge Base:
Q184307 How to Obtain the Latest SNA Server Version 3.0 Service Pack

SNA Server 4.0



This problem was corrected in the latest SNA Server version 4.0 U.S. Service Pack. For information on obtaining this Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces): 


   S E R V P A C K



STATUS

Microsoft has confirmed this to be a problem in SNA Server 3.0, 3.0 Service Pack 1, 3.0 Service Pack 2, 3.0 Service Pack 3, 4.0, and 4.0 Service Pack 1. This problem was first corrected in SNA Server 3.0 Service Pack 4.

Additional query words: MngAgent Mngcli 


Keywords          : 
Version           : 
Platform          : WINDOWS 
Issue type        : kbbug

Last Reviewed: July 8, 1999