Category Archives: Exchange 2003

Exchange 2010 – SMTP address is generated in the format of username2@domain.com

Symptom: When a new user is created, in some cases an SMTP address is generated in the format of username2@domain.com instead of username@domain.com although there is no such existing address on the network Cause: Issue is possibly due to the … Continue reading

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Move Mailbox failed – Mailbox size exceeds target quota

Open ADSIEDIT.MSC   Find the user and change the value  ‘mBDUseDefaults’  to True wait a few minutes and try again.   Good Luck

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Exchange 2003 – SMTP error 550 5.7.1 Unable to relay for user@domain.com

One of my customer got this error after adding a new SMTP domain to mailboxes. In his case he add the email address directly from the AD to some mailboxes and then got this error when trying to send them … Continue reading

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