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Q178999: XADM: Online Backup Fails with -1811 Errors

Article: Q178999
Product(s): Microsoft Exchange
Version(s): WINDOWS:4.0,5.0
Operating System(s): 
Keyword(s): kbusage
Last Modified: 22-MAR-1999

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The information in this article applies to:

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

Online backup may fail with a -1811 error. More specifically, either the
directory or the information store cannot be backed up.

CAUSE
=====

A backup has failed previously for an unknown reason, and now a patch file is
resident in either the dsadata directory or mdbdata directory.

WORKAROUND
==========

To work around this problem, do the following:

1. Stop the Exchange Services.

2. Back up the Exchange Server data.

3. Remove all files from the dsadata directory or mdbdata directory on all
  drives, except for the database file.

4. Restart the Exchange Services.

5. Attempt an online backup.

MORE INFORMATION
================

You may also see these events:

  ID: 15
  Source: EDB
  Description:  MSExchangeIS, 329, the database engine has stopped the
  backup with error -1811.

======================================================================
Keywords          : kbusage 
Technology        : kbExchangeSearch kbExchange500 kbExchange400 kbZNotKeyword2
Version           : WINDOWS:4.0,5.0
Issue type        : kbprb

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