Unable to migrate email messages on Plesk server: The mailbox you specified does not have access to this service

Symptoms

Unable to restore email messages during migration:

PLESK_ERROR: Stderr: Failed to register restored messages for mailbox [email protected] Possible impact: messages could be unavailable via IMAP, or IMAP flags could not be restored. Reason: Cannot conect to mail server localhost:143. Authentication for mailbox [email protected] failed. Reason: Login failed. Server answer ABCD_2 NO LOGIN Failed – The mailbox you specified does not have access to this service.

Cause

The domain is suspended/disabled is on the source server so mail service is not available on it.

Resolution

1. Log into Plesk on the source server.
2. Go under Plesk > Domains > example.com > Mail Settings.
3. Activate /enable the domain.
4. Log into Plesk on the target server.
5. Restart migration for the affected domain.