Backup Exec 15 restore to Exchange 2016 mailbox fails as EWS error/credentials error

[KevinTCCA]

Hello,

I currently have the following problem:

If I want to restore a mailobject from a full backup of our Exchange 2016 databases it fails with the following error:

Final error: 0xe0000388 - Cannot log on to EWS with the specified credentials. Review the resource credentials for the job, and then run the job again.
Final error category: Resource Errors

So after this I checked the credentials and the DAG host says "Test failed, Test recommended", which is weird because backups work without a problem, which shouldn't be, right?

I then found this article and checked all the steps, which seem to be OK (I even put the account I have configured for the backup in the administrators group on our CAS servers), the only difference being that it is not our default account, but I have tested it with the default too and the result is the same (i.e. the test fails).

I have also checked the EWS login with https://mail.domain.com/EWS/Exchange.asmx and I get the service page, so the login does work.

Does anyone have any idea how to fix this problem?

[Ben-Veritas]

I would suggest starting off with making sure the account being used has all the proper permissions.

https://www.veritas.com/content/support/en_US/doc/59226269-99535599-0/v83845105-99535599

[KevinTCCA]

I have added the missing permissions according to the article and also set the role assignment.

The issue persists however.

[Ben-Veritas]

what type of "mailobject" are you attempting to restore?

Are you going back to the original location or redirecting it to another mailbox?

If it's redirecting is that mailbox hidden?

[KevinTCCA]

In my testrun I am attempting to restore a deleted mail to my own mailbox. It's the original mailbox and not hidden or anything.

[Ben-Veritas]

Any chance you could use SGMon to debug the BE server and Exchange server during the restore and attach those for review with the failed job log?

https://www.veritas.com/support/en_US/article.100017069.html

[adnantariq]

Hi

Have you found the solution for the below. I am facing same issue and couldn't figure out the issue.