| Event Id | 2155 |
| Source | MSExchangeMTA |
| Description | An MTA database server error was encountered. Failed to read attribute information (AAT) for object 01000068. Database server error code: 2127. [DB Server OPERATOR 22 29] (14) |
| Event Information | According to Microsoft: CAUSE: This issue may occur if incorrect values exist for the location of the MTA database path in the registry. RESOLUTION : To resolve this behavior, edit the registry to refer to the correct location for the MTA database files. To do so, follow these steps: WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk. 1. Click Start, and then click Run. 2. In the Open box, type regedit, and then click OK. 3. Locate the following registry entry: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeMTA\Parameters\MTA Database Path 4. Double-click the registry entry that you located in step 3, and then type the correct path to the MTA database files in the Value data box. For example, drive:\exchsrvr\mtadata. 5. Locate the following registry entry: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeMTA\Parameters\MTA Run Directory 6. Double-click the entry that you located in step 5, and then verify that the correct location for the MTA Run Directory is displayed in the Value data box. For example, drive:\exchsrvr\mtadata. 7. On the Registry menu, click Exit to quit Registry Editor. CAUSE 2: This issue can occur if one or more .dat files from the \Exchsrvr\MTAData (MTA Database) directory are missing when you attempt to start the MTA. RESOLUTION : To resolve this issue, replace the missing .dat files if they have been removed, and then run the Mtacheck utility. |
| Reference Links | Event ID 2155 MTA Service Does Not Start Error Message Occurs When Starting the Message Transfer Agent Q274285 How and Why to Run Mtacheck |
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