Tuesday, July 26, 2016

Exchange 2013 DAG Database SEED ERROR / ADD ERROR

Hi,

For some reason My DAG database copies started to FAIL,

Error: Failed to open a log truncation context to source server ‘Ex2013_01.Mail.Com’. Hresult: 0xc7ff1004. Error: Error returned from an ESE function call (-1305).

Resolution:

Source Server : Ex2013_01.Mail.Com
Target/failing server :  Ex2013_02.Mail.Com
Database name: DB2
DB location :  D:/Database
Logs Location: D:/Database/Logs

on the target Server where the Database is Failing/ or being Added to...

1) Delete the Failing Database
2) Add the database copy : Add-MailboxDatabaseCopy -Identity DB2 -MailboxServer Ex2013_02 -ActivationPreference 2
3) You will see same ERROR: no worries
4) Go to the Database Folder location :  D:/Database/Logs
5) Move all the log files to another location
6) Open Exchange Management shell and run: Update-MailboxDatabaseCopy "DB2\Ex2013_02" -SourceServer Ex2013_01  -Verbose

and your database will start seeding...

Remember not to Logoff or Close the Shell else it will stop seeding...

Thanks


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