Details | |
Product: | Exchange |
Event ID: | 523 |
Source: | MSExchangeMTA |
Version: | 6.5.6940.0 |
Component: | Microsoft Exchange Message Transfer Agent |
Message: | (<value> <value>(<number>) Proc <number>) (MTA <value>(<number>) Proc <number>) <date/time> Add operation failed, entity <distinguished name> already configured (4) |
Explanation | |
This event can occur in environments that have migrated from an Exchange 5.x environment to a pure Exchange 2000 environment. This does not necessarily indicate a problem. If there are no accompanying symptoms being reported (such as blocked mail), then this event can be ignored. However, if there are other more serious events being logged and there are mail flow problems, this event needs to be investigated. |
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User Action | |
If you are encountering mail flow problems after this event has occurred, refer to Microsoft Knowledge Base article 816466 for further information. If there are no accompanying symptoms but this event is logged repeatedly, possibly with other message transfer agent (MTA) events, contact Microsoft Product Support Services for assistance. |