KnowledgeBase Archive

An Archive of Early Microsoft KnowledgeBase Articles

View on GitHub

Q143384: XCLN: PST Compaction Settings in the MSPST.INI

Article: Q143384
Product(s): Microsoft Exchange
Version(s): 4.0,5.0
Operating System(s): 
Keyword(s): kbother
Last Modified: 20-FEB-2002

-------------------------------------------------------------------------------
The information in this article applies to:

- Microsoft Exchange Windows 95/98 client, versions 4.0, 5.0 
- Microsoft Exchange Windows 3.x client, versions 4.0, 5.0 
- Microsoft Exchange Windows NT client, versions 4.0, 5.0 
-------------------------------------------------------------------------------

SUMMARY
=======

This article lists and explains the entries for the [NDB] section of the
Microsoft Exchange Windows client initialization file, MSPST.INI.

NOTE: The MSPST.INI file must be in the root of the Microsoft Windows
installation, by default C:\WINDOWS.

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

[NDB]

CompactDelay=<number of seconds>
--------------------------------

This sets the minimum amount of delay in seconds before it starts compaction.

The default is value 300 seconds, which equals 5 minutes.

CompactDisable=<0/1>
--------------------

Set this value to 1 to disable idle time compaction.

The default value is 0 (idle time compaction enabled).

CompactInterval=<number of centiseconds>
----------------------------------------

Sets the number of seconds of system inactivity before compaction is started.

The default is 100 centiseconds, which equals 1 second.

CompactQuantum=<number of centiseconds>
---------------------------------------

Sets the idle time for Quantum compaction.

The default is 20 centiseconds, which equals .2 seconds.

CompactStopPct=<number>
-----------------------

The background compaction will stop when the amount of recoverable space falls
below this percentage of the total PST.

The default is 4%.

CompactStopFree=<number of kilobytes>
-------------------------------------

The background compaction will stop when there is less than this much recoverable
space in your PST.

The default is 16.


Additional query words:

======================================================================
Keywords          : kbother 
Technology        : kbExchangeSearch kbExchange500 kbExchange400 kbExchangeClientSearch kbZNotKeyword kbZNotKeyword2 kbZNotKeyword3 kbExchange400NT kbExchange500NT kbExchange400Win95 kbExchange500Win95
Version           : :4.0,5.0

=============================================================================

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 1986-2002.