Attach an Exchange E-Mail User to another DB

Question

Hi,

Is it possible to remove an exchange user from a corrupted database and attach it to a healthy copy of the database? Move database operation is not working because the corrupted database is dismounted and cannot be mounted.

Thanks.

Answer 1

@create share

You could try to follow this article to recover this database and mailboxes in it: Restore data using a recovery database in Exchange Server

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Answer 2

You may need to use the dialtone recovery to bring the database up.

Backup the corrupted logs and database by copying the data to a different directory.
Create a dial tone database
Re-home all user accounts to the new dial tone database
Create a recovery database
Mount/Dismount Recovery Database
Move log files and database
Restore email from the dial tone database back into the production database.

Answer 3

Hi @create share

please request to advise the version of exchange

please try to see the below steps mention , hope it will help

https://www.alitajran.com/move-mailbox-to-another-database-with-powershell/

or
https://learn.microsoft.com/en-us/exchange/high-availability/disaster-recovery/recovery-databases?view=exchserver-2019

Answer 4

Thanks to all for the suggestions. The problem was resolved by following the article below:

https://practical365.com/exchange-2016-failed-content-index/