{4}: The recipient e-mail address has changed and is not accepting e-mail messages. No forwarding address is available. This code may occur if the recipient's mailbox was removed entirely. Troubleshooting: Verify that the user object still exists in Active Directory with valid attributes and resend the message.
The ratio of active logons per mailbox on the server is {1}, which may be higher than expected. This indicates high user ...
The ratio of disk reads to writes on drive {2} was {1}. Generally, this ratio should be less than 0.10; a higher ratio indicates ...
The ratio of Reads I/Os to Writes I/Os on drive {2} was {1}. Generally, this ratio should be less than 0.10; a higher ratio ...
The recipient "{0}" could not be read from domain controller "{1}". This may be due to replication delays. Switching out ...
The recipient e-mail address has changed and is not accepting e-mail messages. No forwarding address is available. This code ...
The recipient e-mail system can't process this e-mail message. The sender should try creating a new message and sending it ...
The recipient e-mail system can't process this message at this time. Microsoft Exchange will not try to redeliver this message ...
The recipient e-mail system can't process this message. Microsoft Exchange will not try to redeliver this e-mail message ...
The recipient e-mail system does not have enough information to deliver the message. This code may indicate that routing ...