DOCUMENT:Q166335  09-FEB-2001  [exchange]
TITLE   :XADM: Error -1022 When Starting the Directory
PRODUCT :Microsoft Exchange
PROD/VER::4.0,5.0
OPER/SYS:
KEYWORDS:

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The information in this article applies to:

 - Microsoft Exchange Server, versions 4.0, 5.0 
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SYMPTOMS
========

When you start the Microsoft Exchange Directory service (DS), you might receive
the following error:

   Error 2140. Internal Windows NT error.

and you will find the following Event ID in the Windows NT Event Viewer
Application log:

   Event ID: 1002
   Source: MSExchangeDS
   Type: Error
   Category: Internal Processing
   Description:
   The Microsoft Exchange Server database, EDB, could not be initialized and returned
   error -1022. Unrecoverable error. The directory cannot continue.

RESOLUTION
==========

Error -1022 corresponds to JET_errDiskIO. There are three steps you can take to
resolve this problem:

1. Run CHKDSK to verify that there are no problems on the hard disk drive.

2. Check permissions on the EXCHSRVR\DSADATA directory. The Microsoft Exchange
   Service Account must have Full access to this directory.

3. Verify that you are not receiving virtual memory errors when booting the
   computer. The following error may be displayed on startup.

   Limited Virtual Memory
   Your system is running without a properly sized paging file.
   Please use the virtual memory option of the System applet in the
   Control Panel to create a paging file, or to increase the initial
   size of your paging file.

For more information about resolving the virtual memory problem, please see the
following articles in the Microsoft Knowledge Base:

   Q140472 : PRB: Limited Virtual Memory Error When Starting Windows NT

   Q130016 : Removing Everyone On Root Dir. Leaves Limited Virtual Memory

   Q257758 : FIX: "Limited Virtual Memory" Error Message When You Start Your
   Computer

Additional query words:

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Keywords          :  
Technology        : kbExchangeSearch kbExchange500 kbExchange400 kbZNotKeyword2
Version           : :4.0,5.0
Issue type        : kbinfo

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