DOCUMENT:Q252345 01-JUN-2001 [exchange] TITLE :XADM: Information Store Stops with Access Violation in FEqCAI PRODUCT :Microsoft Exchange PROD/VER:winnt:5.5 OPER/SYS: KEYWORDS:exc55 kbExchange550preSP4fix kbExchange550sp4Fix kbgraphxlinkcritical ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Server, version 5.5 ------------------------------------------------------------------------------- SYMPTOMS ======== The Exchange Server information store may unexpectedly stop responding and an access violation may occur. When you view the call stack by using a debug utility, it may appear similar to the following call stack: FramePtr RetAddr Param1 Param2 Param3 Function Name 1d4ff610 004273f8 153efff9 00000008 153c2369 0x780350a4 1d4ff610 00428360 153efff9 00000008 153c2369 STORE!FEqCAI+0x214 1d4ff660 00440588 153efff9 00000008 153c2369 STORE!OMSG::EcConfig+0xf3c 1d4ff7b0 00440300 153efff9 00000008 153c2369 STORE!EcCreateOMSG+0x19c 1d4ff820 00440878 153efff9 00000008 153c2369 STORE!EcOpenMessageOpX+0x100 1d4ff880 00408608 153efff9 00000008 153c2369 STORE!EcOpenMessage+0x210 1d4ff980 004080dc 153efff9 00000008 153c2369 STORE!EcRpc+0x4b8 1d4ffa60 77d13040 153efff9 00000008 153c2369 STORE!EcDoRpc+0x74 1d4ffa90 77d13044 153efff9 00000008 153c2369 0x77d13044 CAUSE ===== Exchange Server creates compressed addresses, and handles them as strings. The issue is caused by the way strings in the address of the mailbox and logon user object (distinguished name as based on X.500 directory name) are handled. This may cause the access violation. RESOLUTION ========== To resolve this problem, obtain the latest service pack for Exchange Server 5.5. For additional information, please see the following article in the Microsoft Knowledge Base: Q191914 XGEN: How to Obtain the Latest Exchange Server 5.5 Service Pack The following files are available for download from the Microsoft Download Center: x86: DownloadDownload Q248838engi.exe now (http://www.microsoft.com/downloads/release.asp?ReleaseID=25443) Alpha: DownloadDownload Q248838enga.exe now (http://www.microsoft.com/downloads/release.asp?ReleaseID=25444) For additional information about how to download Microsoft Support files, click the article number below to view the article in the Microsoft Knowledge Base: Q119591 How to Obtain Microsoft Support Files from Online Services Microsoft used the most current virus detection software available on the date of posting to scan this file for viruses. Once posted, the file is housed on secure servers that prevent any unauthorized changes to the file. STATUS ====== Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5. This problem was first corrected in Exchange Server 5.5 Service Pack 4. Additional query words: ====================================================================== Keywords : exc55 kbExchange550preSP4fix kbExchange550sp4Fix kbgraphxlinkcritical Technology : kbExchangeSearch kbExchange550 kbZNotKeyword2 Version : winnt:5.5 Issue type : kbbug Solution Type : kbfix ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.