| Event Id | 429 |
| Source | SMTPSVC |
| Description | Virtual Server %1: The specified mail queue directory is not valid. Cannot start the SMTP Service. |
| Event Information | Resolution: Check the permissions for the directory. Reset the mail queue directory to a valid path. Setup may need to be rerun. (For more information, see the Internet Information Services (IIS) documentation.) |
| Reference Links | SMTP and POP3 Mail Is Not Delivered--Error 429 |
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