| Event Id | 3047 |
| Source | MSExchangeMTA |
| Description | Unable to initialize due to a bad configuration. Too many threads were requested. The maximum number is xx, and xxx were requested. Contact Microsoft Technical Support. [XAPI MAIN BASE 1] (16) |
| Event Information | According to Microsoft: CAUSE: The MTA does not start due to one or more improperly configured registry keys. Too many threads are being requested, which does not allow the MTA to start. The summation of the Decimal value of 4 XAPI thread registry keys plus 3 determines the total number of threads. This total cannot exceed 75. The following Decimal value of these registry keys are summed: XAPI MA queue threads : REG_DWORD XAPI MA threads : REG_DWORD XAPI MT queue threads : REG_DWORD XAPI MT threads : REG_DWORD RESOLUTION: 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. Stop the Message Transfer Agent (MTA) service. 2. Run Regedt32.exe. To do so, click Start, click Run, and then type Regedt32.exe in the Open: box. 3. Go to the following subkey: KEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeMTA\Parameters 4. Change the Decimal value of the these registry keys (Note: These new values are the default values): 2 for XAPI MA queue threads : REG_DWORD : 0x2 2 for XAPI MA threads : REG_DWORD : 0x2 1 for XAPI MT queue threads : REG_DWORD : 0x1 1 for XAPI MT threads : REG_DWORD : 0x1 5. Close the Registry Editor, and then start the Message Transfer Agent (MTA). |
| Reference Links | XCON: Message Transfer Agent Service Does Not Start Due to Event ID 3047 |
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