Problem DAG Database copy Ex2019 database edb not found

Question

Welcome,

i have problem With DAG database copy (after repair hadware problem)

I have 2 exchanges EX1 and EX2 in DAG

when add database copy on EX2 form Ex1 i have problem

Suspend Copy replication Error in :

The Microsoft Exchange Replication service encountered an error while inspecting the logs and database for Mailbox Database 0803646788\EX2 on startup. Error: File check failed : Database file 'C:\Program Files\Microsoft\Exchange Server\V15\Mailbox\Mailbox Database 0803646788\Mailbox Database 0803646788.edb' was not found.

When I create new database and add Database copy its no problem.

I check test-replicationhealt

Server Check Result Error
------ ----- ------ -----
EX1 ClusterService Passed
EX1 ReplayService Passed
EX1 ActiveManager Passed
EX1 TasksRpcListener Passed
EX1 TcpListener Passed
EX1 ServerLocatorService Passed
EX1 DagMembersUp Passed
EX1 MonitoringService Passed
EX1 ClusterNetwork Passed
EX1 QuorumGroup Passed
EX1 FileShareQuorum Passed
EX1 DatabaseRedundancy FAILED Failures:

There were database availability check failures for database 'Mailbox Database 0803646788' that may be lowering its availability. Availability Count: 1. Expected Availability Count: 2. Detailed error(s):

EX2:
Database copy 'Mailbox Database 0803646788' is in a Failed state on server 'EX2'. Reason: The Microsof
t Exchange Replication service encountered an error while inspecting the logs and database for Mailbox Database 0803
646788\EX2 on startup. Error: File check failed : Database file 'C:\Program Files\Microsoft\Exchange Server\V1
5\Mailbox\Mailbox Database 0803646788\Mailbox Database 0803646788.edb' was not found.
. If you need to activate this database copy, you can use the Move-ActiveMailboxDatabase cmdlet with the -SkipHealth
Checks parameter to forcibly activate the database copy.

I check database
DATABASE HEADER:
Checksum Information:
Expected Checksum: 0x6cae5d1e
Actual Checksum: 0x6cae5d1e

Fields:
File Type: Database
Checksum: 0x6cae5d1e
Format ulMagic: 0x89abcdef
Engine ulMagic: 0x89abcdef
Format ulVersion: 0x620,20,0 (attached by 0)
Engine ulVersion: 0x620,60,140 (efvCurrent = 9060)
Created ulVersion: 0x620,20
DB Signature: Create time:10/03/2022 21:05:50.558 Rand:3330222774 Computer:
cbDbPage: 32768
dbtime: 602838 (0x932d6)
State: Clean Shutdown
Log Required: 0-0 (0x0-0x0)
Log Committed: 0-0 (0x0-0x0)
Log Recovering: 0 (0x0)
Log Consistent: 0 (0x0)
GenMax Creation: 00/00/1900 00:00:00.000 LOC
Shadowed: Yes
Last Objid: 326
Scrub Dbtime: 0 (0x0)
Scrub Date: 00/00/1900 00:00:00.000 LOC
Repair Count: 0
Repair Date: 00/00/1900 00:00:00.000 LOC
Old Repair Count: 0
Last Consistent: (0x3CA,1E,0) 10/30/2022 14:12:19.094 UTC
Last Attach: (0x3C7,2,268) 10/30/2022 13:30:41.707 UTC
Last Detach: (0x3CA,1E,0) 10/30/2022 14:12:19.094 UTC
Last ReAttach: (0x3C3,2,268) 10/30/2022 10:05:40.475 UTC
Dbid: 1
Log Signature: Create time:10/03/2022 21:05:50.465 Rand:3109789326 Computer:
OS Version: (6.2.9200 SP 0 NLS ffffffff.ffffffff)

Previous Full Backup:
Log Gen: 967-968 (0x3c7-0x3c8) - OSSnapshot
Mark: (0x3C9,1,0)
Mark: 10/30/2022 13:56:44.684 UTC

Previous Incremental Backup:
Log Gen: 0-0 (0x0-0x0)
Mark: (0x0,0,0)
Mark: 00/00/1900 00:00:00.000 LOC

Previous Copy Backup:
Log Gen: 0-0 (0x0-0x0)
Mark: (0x0,0,0)
Mark: 00/00/1900 00:00:00.000 LOC

Previous Differential Backup:
Log Gen: 0-0 (0x0-0x0)
Mark: (0x0,0,0)
Mark: 00/00/1900 00:00:00.000 LOC

Current Full Backup:
Log Gen: 0-0 (0x0-0x0)
Mark: (0x0,0,0)
Mark: 00/00/1900 00:00:00.000 LOC

Current Shadow copy backup:
Log Gen: 0-0 (0x0-0x0)
Mark: (0x0,0,0)
Mark: 00/00/1900 00:00:00.000 LOC

 cpgUpgrade55Format: 0  
cpgUpgradeFreePages: 0  

cpgUpgradeSpaceMapPages: 0

   ECC Fix Success Count: none  

Old ECC Fix Success Count: none
ECC Fix Error Count: none
Old ECC Fix Error Count: none
Bad Checksum Error Count: none
Old bad Checksum Error Count: none

Last Database Maintenance Finish Date: 00/00/1900 00:00:00.000 LOC
Current Database Maintenance Start Date: 10/30/2022 10:05:40.206 UTC
Highest Continuous Database Maintenance Page: 0
Highest Database Maintenance Page: 0

Database Header Flush Signature: Create time:10/30/2022 14:12:19.094 Rand:104540831 Computer:
Flush Map Header Flush Signature: Create time:00/00/1900 00:00:00.000 Rand:0 Computer:

Operation completed successfully in 0.140 seconds.

Thank's for sugestions and answers.

Dawid

Answer 1

Please check the service health and application .log in the event viewer.

• Test-ServiceHealth
• Test-ReplicationHealth

You can refer to the below links about this question:
Database Failed and Suspended
How to Reseed after Mailbox Database Copy Failed and Suspended?

Please Note: Since Microsoft does not host the website, the link may change without notice. Microsoft does not guarantee the accuracy of this information.

Answer 2

I send faliures in logs
I don't have time then I create new MailboxDatabase and add database Copy status.
and migrate old database to new