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XADM: Access Violation in Information Store When You Log On to a Mailbox by Using an Account Name That Contains Double-Byte Characters

View products that this article applies to.

This article was previously published under Q326393

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Symptoms

When you log on to a mailbox by using an account name that contains characters from a double-byte character set (DBCS), the Microsoft Exchange Information Store service may stop responding and generate an access violation (AV) error. The call stack may appear similar to the following: 
ChildEBP RetAddr  
10deee74 67205d44 ntdll!RtlpFindAndCommitPages+0x106
10deeeb0 67206e70 ntdll!RtlpExtendHeap+0x72
10deef5c 6fff1921 ntdll!RtlAllocateHeap+0x253
10deef80 6fff1383 exchmem!MpHeapAlloc+0x101
10deef90 0042c4db exchmem!ExchMHeapAlloc+0x13
10deefb0 0042c4a5 store!EcCompressDN+0x28 292]
10deefcc 0042cb76 store!JTAB_BASE::EcMakeDNKey+0x37 
10deefe8 0042c631 store!EcSeekMailbox+0x48 6549]
10def020 004b576c store!LOGON::EcLookupFidRoot+0x6f 
10def6b4 004b699b store!LOGON::EcConfig+0x97c 
10def790 004c55f8 store!EcDoPrivateLogonOp+0x478 
10defa14 0040e941 store!EcLogon+0x245 
10defaf4 0040e614 store!EcRpc+0x2cf 
10defb08 77e11dc7 store!EcDoRpc+0x41 
10defb28 77e56205 rpcrt4!Invoke+0x28
10defb44 77e561d6 rpcrt4!NdrCallServerManager+0x15
10defe08 77e55f3e rpcrt4!NdrStubCall+0x292
10defe20 77e113a4 rpcrt4!NdrServerCall+0x19
10defe5c 77e111be rpcrt4!DispatchToStubInC+0x33
10defeb0 77e11403 rpcrt4!RPC_INTERFACE::DispatchToStubWorker+0xb0

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Cause

This problem may occur if all the following conditions exist:
�The user account name contains at least one DBCS character.
�Exchange 2000 Server is on a computer that is running the English version of Microsoft Windows 2000 Server.
�The computer's default locale is set to a DBCS language and the computer uses a language pack.

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Resolution

To resolve this problem, install the Microsoft Exchange 2000 Server Post-Service Pack 3 Messaging Database patch.

For additional information about how to obtain this update, click the article number below to view the article in the Microsoft Knowledge Base:
329882 XGEN: Post-Exchange 2000 Server Service Pack 3 Messaging Database Fixes That Are Available

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

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Keywords: KB326393, kbhotfixserver, kbexchange2000presp4fix, kbexchange2000sp3fix, kbqfe, kbexchange2000presp3fix, kbfix, kbbug

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Article Info
Article ID : 326393
Revision : 7
Created on : 2/28/2007
Published on : 2/28/2007
Exists online : False
Views : 351