In Exchange you might come across the following: Mail stuck in a specific queue with the following error:
- 430 4.2.0 STOREDRV; mailbox logon failure
Here are a few things you can look out for and solutions to resolve the above:
- Check that all Exchange Services are running.
- If you have any service accounts running on the Exchange Services make sure they are correct. Check the service account passwords.
- Try restarting the Information Store Service.
- Try restarting the Hub Transport Server.
Hope it helps.