| Event Id | 100 |
| Source | POP3SVC |
| Description | The server was unable to logon the Windows 2000 account name due to the following error: error code The data is the error code. |
| Event Information | According to Microsoft: EXPLANATION: The logon credentials for the Windows 2000 account were not authenticated. USER ACTION: Check username/password and verify that the domain controller is available. |
| Reference Links | Exchange (POP3SVC) |
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