XCON: MTA Events 2200 and 2201

ID: Q163287

The information in this article applies to:

Microsoft Exchange Server, versions 4.0, 5.0

SUMMARY

Exchange MTA events 2200 and 2201 typically indicate thread conflicts while trying to lock the 03000002 object. This object contains reference counts for all other objects. As a result, this object is highly utilized, resulting 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

The events are:

Event ID: 2200
Source: MSExchangeMTA
Category: Field Engineering
Description: An MTA database server error was encountered. [%1 %2 %3 %4
%5 %6] (6)

Event ID: 2201
Source: MSExchangeMTA
Category: Field Engineering
Description: An MTA database server error was encountered. [%1 %2 %3 %4
%5 %6] (6)

Event 2200 means:

Lock delayed by outstanding reservations
Trying to lock object %1
Number of outstanding reservations %2

Event 2201 means:

Contention on lock call caused delay:
Trying to lock object %1
Thread owning lock is %2

Additional query words:

Keywords : kbtshoot kbusage XCON
Version : winnt:4.0,5.0
Platform : winnt
Issue type :