Monthly Archives: September 2011

Exchange Writer status is ”waiting for completion” after failed backup job which forbid taking a successful back job

the reason for that a missed log files to directory related VSS service. the database will look mounted and fine also the log files are already committed to the database. only you can not take a successful back up. MS … Continue reading

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451 5.7.3 cannot achieve exchange server authentication exchange 2010

I got error ID that “451 5.7.3 cannot achieve exchange server authentication exchange 2010” logged on Exchange 2010 HUB server role Mail Queue. noting that the mail flow was not working between both Exchange Edge and HUB roles. after investigating … Continue reading

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