Hello,
Are you running IDR recovery of a remote server? Refer to the folowing technote in order to resolve the problem:
Title: When using the VERITAS Backup Exec (tm) 9.0 for Windows Servers Intelligent Disaster Recovery option to recover a remote Windows computer, the restore job fails immediately with the error "Unable to attach to one of the drives."
http://support.veritas.com/docs/263176
If the problem persists, revert to the forum with details on the settings.
Additional Information :
For information on the recent VERITAS Backup Exec security vulnerabilities, including links to the downloads for the necessary hotfixes, please refer to the following document:
Patch summary for Security Advisories VX05-001, VX05-002, VX05-003, VX05-005, VX05-006, VX05-007
http://seer.support.veritas.com/docs/277429.htm
Note : If we do not receive your reply within two business days, this post would be marked ‘assumed answered’ and would be moved to ‘answered questions’ pool.
Regards.