Microsoft KB Archive/298061

= Access Violation in Svchost.exe in Windows 2000 =

Article ID: 298061

Article Last Modified on 1/31/2007

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APPLIES TO


 * Microsoft Windows 2000 Service Pack 1
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Service Pack 1

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This article was previously published under Q298061



SYMPTOMS
You may receive the following error message in Windows 2000:

Event ID: 4097

Source: DrWatson

Description: The application, Svchost.exe, generated an application error. The error occurred at  @. The exception generated was c0000005 at address  (l.RpcRequestMutex)



CAUSE
This error message can occur if User Datagram Protocol (UDP) packets are received on port 135 for EndPortMapper.



RESOLUTION
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack

The English version of this fix should have the following file attributes or later:   Date        Time   Version        Size     File name -  5-Jun-2001  18:47  5.0.2195.3691  427,280  Rpcrt4.dll



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 3.



MORE INFORMATION
For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:

249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

If symbols are installed on the machine the stack trace will look similiar to the following. 0:005> r eax=00000000 ebx=00000000 ecx=00cffde0 edx=00000000 esi=000aed90 edi=00000000 eip=77d46ae7 esp=00cffdbc ebp=00cffdc8 iopl=0        nv up ei pl zr na po nc cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000             efl=00000246 RPCRT4!I_RpcRequestMutex+b: 77d46ae7 393b            cmp     [ebx],edi         ds:0023:00000000=????????

0:005> k ChildEBP RetAddr 00cffdc8 77d46eea RPCRT4!I_RpcRequestMutex+0xb 00cffdd8 77d44da9 RPCRT4!NdrAfterCallProcessing+0x18 00cffde8 77d44c24 RPCRT4!SCALL__DoPostDispatchProcessing+0x11 00cffe34 77d44b21 RPCRT4!RPC_INTERFACE__DispatchToStubWorker+0x128 00cffe54 77d79f15 RPCRT4!RPC_INTERFACE__DispatchToStub+0x5e 00cffebc 77d79296 RPCRT4!DG_SCALL__ProcessRpcCall+0x2c3 00cffed0 77d7909f RPCRT4!DG_SCONNECTION__CallDispatchLoop+0xaa 00cffee8 77d785c1 RPCRT4!DG_SCONNECTION__DispatchPacket+0x2ff 00cfff04 77d766ce RPCRT4!ProcessDgServerPacket+0x1b6 00cfff20 77d5d1cd RPCRT4!ProcessDatagramServerReceiveEvent+0x17 00cfff74 77d5d074 RPCRT4!LOADABLE_TRANSPORT__ProcessIOEvents+0xcd 00cfff78 77d50d7f RPCRT4!ProcessIOEventsWrapper+0x9 00cfffa8 77d50c7a RPCRT4!BaseCachedThreadRoutine+0x4f 00cfffb4 77e8758a RPCRT4!ThreadStartRoutine+0x18 00cfffec 00000000 KERNEL32!BaseThreadStart+0x52

Additional query words: kbNetworking

Keywords: kbbug kbfix kbwin2000presp3fix kbqfe kbwin2000sp3fix kbnetwork kbhotfixserver KB298061

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