Microsoft KB Archive/163296

= XCON: MTA Events 2200 and 2201 =

Article ID: 163296

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition
 * Microsoft Exchange Server 4.0 Standard Edition
 * Microsoft Exchange Server 5.0 Standard Edition

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This article was previously published under Q163296



SUMMARY
Microsoft Exchange Server message transfer agent (MTA) events 2200 and 2201 typically indicate that there were thread conflicts while trying to lock the 03000002 object. This object contains reference counts for all other objects. As a result, the 03000002 object is heavily used, which results in frequent, temporary locking conflicts.

2200 and 2201 events on object 03000002 are not unusual and by themselves do not indicate a problem requiring further attention.



MORE INFORMATION
Here is the text of event 2200:

Event ID: 2200

Source: MSExchangeMTA

Category: Field Engineering

Description: An MTA database server error was encountered. [%1 %2 %3 %4

%5 %6] (6)

This event means:

Lock delayed by outstanding reservations

Trying to lock object %1

Number of outstanding reservations %2

Here is the text of event 2201:

Event ID: 2201

Source: MSExchangeMTA

Category: Field Engineering

Description: An MTA database server error was encountered. [%1 %2 %3 %4 %5

%6] (6)

This event means:

Contention on lock call caused delay:

Trying to lock object %1

Thread owning lock is %2

Additional query words: dbserver mtadata corruption fatal

Keywords: kbusage KB163296

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