Unable to connect to the MTA. Consecutive ma-open calls are failing with error . This Error code corresponds to a Network Error.

Details
Product: Exchange
Event ID: 8510
Source: MSExchangeIS
Version: 6.5.6940.0
Component: Microsoft Exchange Information Store
Message: Unable to connect to the MTA. Consecutive ma-open calls are failing with error <error code>. This Error code corresponds to a Network Error.
   
Explanation

Unable to connect to the message transfer agent (MTA). Consecutive mta-open calls are failing. This error code corresponds to a Network Error.

   
User Action

Start the message transfer agent (MTA) if it is not started. Look up the error code by typing net helpmsg <error code>.

Related:

A fatal internal MTA error occurred. The registration of the conversion routines has failed. Contact Microsoft Technical Support. (16)

Details
Product: Exchange
Event ID: 6613
Source: MSExchangeMTA
Version: 6.0
Component: Message Transfer Agent
Symbolic Name: MTA06613
Message: A fatal internal MTA error occurred. The registration of the conversion routines has failed. Contact Microsoft Technical Support. (16)
   
Explanation
The message transfer agent (MTA) database may be corrupted.
   
User Action
Stop and restart the MTA service. If the error persists, run the Mtacheck.exe utility. Stop the MTA service, open a command prompt, and type Mtacheck/v /f c:\mta.txt. If Mtacheck removes objects from a database queue, it places each damaged object in a Db*.dat file in \Exchsrvr\Mtadata\Mtacheck.out. Check your drives and verify that core *.dat files are in the \Exchsrvr\Mtadata directories. The \Exchsrvr\Mtadata directory with *.dat files may be on more than one drive. Contact Microsoft Product Support Services for assistance.

Related:

An internal MTA error occurred. Contact Microsoft Technical Support. Error code= [ ] (14)

Details
Product: Exchange
Event ID: 4290
Source: MSExchangeMTA
Version: 6.5.6940.0
Component: Microsoft Exchange Message Transfer Agent
Message: An internal MTA error occurred. Contact Microsoft Technical Support. Error code=<error code> [<value> <value> <value> <value>] (14)
   
Explanation

There is no historical information to provide assistance on this event. However, it may indicate corruption in the message transfer agent (MTA) database.

   
User Action

Stop and restart the MTA service. If the error persists, run the Mtacheck.exe utility. Stop the MTA service, open a command prompt, and type Mtacheck /v /f c:\mta.txt.

Monitor event logs for recurrence of this event, and any other events that recur with it. In addition, note any other behaviors with the product that coincide with this event. If this is causing a catastrophic or unavailable server situation, contact Microsoft Product Support Services.

Related:

An internal MTA error occurred. Control block is not in use. Control block index: . [ ] (12)

Details
Product: Exchange
Event ID: 3276
Source: MSExchangeMTA
Version: 6.5.6940.0
Component: Microsoft Exchange Message Transfer Agent
Message: An internal MTA error occurred. Control block is not in use. Control block index: <index name>. [<value> <value> <value> <value>] (12)
   
Explanation

The message transfer agent (MTA) database may be corrupted.

   
User Action

Stop and restart the MTA service. If the error persists, run the Mtacheck.exe utility. Stop the MTA service, open a command prompt, and type Mtacheck/v /f c:\mta.txt.

If Mtacheck removes objects from a database queue, it places each damaged object in a Db*.dat file in \Exchsrvr\Mtadata\Mtacheck.out. Check your drives and verify that core *.dat files are in the \Exchsrvr\Mtadata directories. The \Exchsrvr\Mtadata directory with *.dat files may be on more than one drive. Contact Microsoft Product Support Services for assistance.

Related:

An error occurred reading a value from the directory. DS_COMMUNICATIONS_ERROR returned from the Directory service on an XDS call. [ ] (14)

Details
Product: Exchange
Event ID: 3204
Source: MSExchangeMTA
Version: 6.5.6940.0
Component: Microsoft Exchange Message Transfer Agent
Message: An error occurred reading a value from the directory. DS_COMMUNICATIONS_ERROR returned from the Directory service on an XDS call. [<value> <value> <value> <value>] (14)
   
Explanation

The message transfer agent (MTA) in Exchange 2000 now uses a GWART.DLL to make a legacy compatible gateway address routing table (GWART). MTA uses MTAROUTE.DLL as the connection between the legacy MTA and the routing engine.

   
User Action

Use Network Monitor to capture network traces, then view these traces from Network Monitor for any network issue. Stop and restart the directory service on the site server.

Related:

An error occurred reading a value from the directory. Directory Error: . [ ] (14)

Details
Product: Exchange
Event ID: 3203
Source: MSExchangeMTA
Version: 6.5.6940.0
Component: Microsoft Exchange Message Transfer Agent
Message: An error occurred reading a value from the directory. Directory Error: <error code>. [<value> <value> <value> <value>] (14)
   
Explanation

The message transfer agent (MTA) in Exchange 2000 now uses a GWART.DLL to make a legacy compatible gateway address routing table (GWART). MTA uses MTAROUTE.DLL as the connection between the legacy MTA and the routing engine.

   
User Action

Use Network Monitor to capture network traces, then view these traces from Network Monitor for any network issue. Stop and restart the directory service on the site server.

Related:

An internal MTA error occurred. Conflicting features were requested on opening. Entity name: . [ ] (14)

Details
Product: Exchange
Event ID: 3156
Source: MSExchangeMTA
Version: 6.5.6940.0
Component: Microsoft Exchange Message Transfer Agent
Message: An internal MTA error occurred. Conflicting features were requested on opening. Entity name: <object name>. [<value> <value> <value> <value>] (14)
   
Explanation

The message transfer agent (MTA) database may be corrupted.

   
User Action

Stop and restart the MTA service. If the error persists, run the Mtacheck.exe utility. Stop the MTA service, open a command prompt, and type Mtacheck/v /f c:\mta.txt.

If Mtacheck removes objects from a database queue, it places each damaged object in a Db*.dat file in \Exchsrvr\Mtadata\Mtacheck.out. Check your drives and verify that core *.dat files are in the \Exchsrvr\Mtadata directories. The \Exchsrvr\Mtadata directory with *.dat files may be on more than one drive. Contact Microsoft Product Support Services for assistance.

Related:

An internal MTA error occurred: transfer out failure. Object ID: . Entity name: . [ ] (14)

Details
Product: Exchange
Event ID: 3152
Source: MSExchangeMTA
Version: 6.5.6940.0
Component: Microsoft Exchange Message Transfer Agent
Message: An internal MTA error occurred: transfer out failure. Object ID: <id>. Entity name: <object name>. [<value> <value> <value> <value>] (14)
   
Explanation

The message transfer agent (MTA) database may be corrupted.

   
User Action

Stop and restart the MTA service. If the error persists, run the Mtacheck.exe utility. Stop the MTA service, open a command prompt, and type Mtacheck/v /f c:\mta.txt.

If Mtacheck removes objects from a database queue, it places each damaged object in a Db*.dat file in \Exchsrvr\Mtadata\Mtacheck.out. Check your drives and verify that core *.dat files are in the \Exchsrvr\Mtadata directories. The \Exchsrvr\Mtadata directory with *.dat files may be on more than one drive. Contact Microsoft Product Support Services for assistance.

Related:

An internal MTA error occurred: ran off end of object. Error code : . Attribute: . Offset: . Entity name: . [ ] (14)

Details
Product: Exchange
Event ID: 3148
Source: MSExchangeMTA
Version: 6.5.6940.0
Component: Microsoft Exchange Message Transfer Agent
Message: An internal MTA error occurred: ran off end of object. Error code : <error code>. Attribute: <attribute name>. Offset: <value>. Entity name: <object name>. [<value> <value> <value> <value>] (14)
   
Explanation

The message transfer agent (MTA) database may be corrupted.

   
User Action

Stop and restart the MTA service. If the error persists, run the Mtacheck.exe utility. Stop the MTA service, open a command prompt, and type Mtacheck/v /f c:\mta.txt.

If Mtacheck removes objects from a database queue, it places each damaged object in a Db*.dat file in \Exchsrvr\Mtadata\Mtacheck.out. Check your drives and verify that core *.dat files are in the \Exchsrvr\Mtadata directories. The \Exchsrvr\Mtadata directory with *.dat files may be on more than one drive. Contact Microsoft Product Support Services for assistance.

Related:

An internal MTA error occurred: reliable operations (RO) error. Entity Name: . [ ] (14)

Details
Product: Exchange
Event ID: 3146
Source: MSExchangeMTA
Version: 6.5.6940.0
Component: Microsoft Exchange Message Transfer Agent
Message: An internal MTA error occurred: reliable operations (RO) error. Entity Name: <object name>. [<value> <value> <value> <value>] (14)
   
Explanation

The message transfer agent (MTA) database may be corrupted.

   
User Action

Stop and restart the MTA service. If the error persists, run the Mtacheck.exe utility. Stop the MTA service, open a command prompt, and type Mtacheck/v /f c:\mta.txt.

If Mtacheck removes objects from a database queue, it places each damaged object in a Db*.dat file in \Exchsrvr\Mtadata\Mtacheck.out. Check your drives and verify that core *.dat files are in the \Exchsrvr\Mtadata directories. The \Exchsrvr\Mtadata directory with *.dat files may be on more than one drive. Contact Microsoft Product Support Services for assistance.

Related: