DOCUMENT:Q156415 04-APR-1999 [exchange] TITLE :XADM: Information Store Fails to Start with Jet Error -327 PRODUCT :Microsoft Exchange PROD/VER:winnt:4.0 OPER/SYS: KEYWORDS:kbusage ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Server, version 4.0 ------------------------------------------------------------------------------- SYMPTOMS ======== When attempting to start the Information Store service it may fail with an error -327 recorded in the application log. The entry in the application log may look similar to the following: Event ID: 1005 Source: MSExchangeIS Description: Unable to start the Microsoft Exchange Information Store. Error -327 This error will be preceded by another application log event by EDB (JET). The entry in the application log may look similar to the following: Event ID: 40 Source: EDB Description: MSExchangeIS ((301) ) The database engine found a bad page CAUSE ===== The Microsoft Jet database engine may perform maintenance on pages of the database without verifying that these page links are indeed valid. This can cause pages of the database to become corrupt. WORKAROUND ========== Repair the corruption and then obtain the hotfix mentioned below. RESOLUTION ========== If a current, valid backup of the database is available before the corruption occurred, use the following steps to repair the corruption: 1. Apply the fix described below. This fix will prevent the corruption from happening with the restored good database. 2. Restore the database from backup. 3. Restart the Information Store service. If a backup is not available, use the following steps (in the order given) to repair the corruption in the database: NOTE: This process may result in loss of data. 1. Perform an offline backup of the server making sure to include the Mdbdata directory/directories. 2. In the \Mdbdata folder that contains the damaged store, run the following utility to remove the damaged page(s) from the database: EDBUTIL /d /r where is the database name (for example, priv.edb). 3. Run the following utility to repair any Information Store or database inconsistencies that may have occurred from removing the bad page: ISINTEG -fix -dbname Where -dbname is the database name (for example, -priv). 4. Restart the Information Store service. After repairing the database corruption, apply the fix described below to prevent this type of corruption from occurring again. The fix allows the Microsoft Jet database engine to test the validity of the page links before performing maintenance on them. STATUS ====== Microsoft has confirmed this to be a problem in Microsoft Exchange version 4.0. This problem was corrected in the latest Microsoft Exchange 4.0 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces): S E R V P A C K Additional query words: ====================================================================== Keywords : kbusage Technology : kbExchangeSearch kbExchange400 kbZNotKeyword2 Version : winnt:4.0 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 1999.