Document ID: 257114
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"Unable to attach" (Final error code : a000848c HEX ) occurs when restoring one or more SQL databases
Exact Error Message
Unable to attach to one of the drives

Details:
Job Completion Status:
Completed status: Failed
Final error code: a000848c HEX
Final error description: Unable to attach to one of the drives.
Final error category: Resource Errors

Figure 1
 

This error can be caused by the following conditions:

1. In the SQL Redirection properties, the incorrect server name has been specified in the Restore to server field or the server name specified is unavailable (while restoring to a named instance).

The Restore to server field is used to redirect this restore to a different server. Enter the target server name in the Restore to server field (Figure 2).

Figure 2
 

If the specified server name is available and is online, check for the name resolution. The system should be able to resolve the name specified in the Restore to server field.

2. In the SQL Redirection properties, the instance name specified in the Restore to named instance field is either unavailable or is specified incorrectly (while restoring to a named instance).

3. In the SQL Redirection properties, the instance name has been specified in the Restore to named instance field (while restoring to the default instance)


To resolve this issue, ensure that :

1. In the SQL Redirection properties, the instance name specified exists on the specified server (while restoring to a named instance) (Figure 2)

2. In the SQL Redirection properties, the Restore to named instance field has been kept blank (while restoring to the default instance) (Figure 2)



Supplemental Material:

System: Ref.#Description
Error Code: a000848c Unable to attach to one of the drives
UMI: V-79-40960-33932 Unable to attach to one of the drives.

Products Applied:
 Backup Exec for Windows Servers 10.0, 10.0 5484, 10.0 5520, 10d (10.1), 10d (10.1) 5629, 9.0, 9.0 4367, 9.0 4367 SP1, 9.0 4454, 9.0 4454 SP1, 9.1, 9.1 4691, 9.1 4691 SP1
Last Updated: December 21 2005 12:07 AM GMT
Expires on: 365 days from publish date
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Subjects:
 Backup Exec for Windows Servers
   Agent For Sql: Backup-Restore, Troubleshoot
   Application: Faq, How To, Restore, Troubleshooting
   Priority: 03

Languages:
 English (US), French, German

Operating Systems:
Windows 2000

Advanced Server, Advanced Server SP1, Advanced Server SP2, Advanced Server SP3, Advanced Server SP4, Datacenter Server, Datacenter Server SP1, Datacenter Server SP2, Datacenter Server SP3, Professional, Professional SP1, Professional SP2, Professional SP3, Professional SP4, Server, Server SP1, Server SP2, Server SP3, Server SP4

Windows NT

4.0 Server SP6a, 4.0 Workstation SP6a

Windows Server 2003

DataCenter, Enterprise Server, Standard Server, Web Server