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NTBACKUP "<Drive> is not a valid drive or you do not have access"

Posted on 2005-02-28
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Hi,

I am running NTBACKUP on around 30 windows SBS 2003 and Windows Server 2003 servers.  Some of these have started coming up with the error:

17/02/2005 7:30 PM
-------------------------------
Date: 17/02/2005
Time: 7:30 PM
User: SYSTEM
-------------------------------

Backup Runner started.
Launching NTBackup: ntbackup.exe backup "@D:\Program Files\Microsoft Windows Small Business Server\Backup\Small Business Backup Script.bks" /d "SBS Backup created on 17/02/2005 at 7:30 PM" /v:yes /r:no /rs:no /hc:off /m normal /j "Small Business Server Backup Job" /l:s /f "\\Winserv2\Winserv1Backups\Backup Files\Small Business Server Backup (01).bkf" /UM
NTBACKUP LOG FILE: C:\Documents and Settings\SBS Backup User\Local Settings\Application Data\Microsoft\Windows NT\NTBackup\data\backup10.log
=====================<BEGIN NTBACKUP LOG FILE>=====================
Backup Status
Operation: Backup
Active backup destination: File
Media name: "Small Business Server Backup (01).bkf created 2/17/2005 at 7:30 PM"

Backup (via shadow copy) of "C: "
Backup set #1 on media #1
Backup description: "SBS Backup created on 17/02/2005 at 7:30 PM"
Media name: "Small Business Server Backup (01).bkf created 2/17/2005 at 7:30 PM"

Backup Type: Normal

Backup started on 2/17/2005 at 7:31 PM.
Backup completed on 2/17/2005 at 7:52 PM.
Directories: 2504
Files: 18824
Bytes: 2,350,481,451
Time:  21 minutes and  11 seconds
Backup (via shadow copy) of "D: Data"
Backup set #2 on media #1
Backup description: "SBS Backup created on 17/02/2005 at 7:30 PM"
Media name: "Small Business Server Backup (01).bkf created 2/17/2005 at 7:30 PM"

Backup Type: Normal

Backup started on 2/17/2005 at 7:58 PM.

Error: The device reported an error on a request to write data to media.
Error reported: Unknown error.
There may be a hardware or media problem.
Please check the system event log for relevant failures.
The operation was ended.
Backup completed on 2/17/2005 at 7:58 PM.
Directories: 1
Files: 0
Bytes: 193,438
Time:  1 second

Error: D: is not a valid drive, or you do not have access.

The operation was ended.
Backup completed on 2/17/2005 at 7:59 PM.
Directories: 1
Files: 0
Bytes: 193,438
Time:  54 seconds

----------------------

The operation did not successfully complete.

----------------------

=======================<END NTBACKUP LOG FILE>=====================
NTBackup finished the backup with errors.

For more information about failed backups, see the article on troubleshooting your backup at the following Web page: http://go.microsoft.com/fwlink/?LinkId=18414

Backup ended at Thursday, 17 February 2005 7:59 PM
Backup Runner finished.

----------------------

D: Drive is the data volume on the server - a second partition on a mirrored volume.

The job is running as administrator.  A manual job run while logged in as administrator produces the same result.

In most cases I am backing up to external USB 2.0 or Firewire hard disks.  None are full.

The failure is not consistent, I do sometimes get successful backups, though I cannot find anything different when it succeeds. There are no error events in the eventlogs.

The Microsoft Hotfix suggested around the traps - 817688 - is not appropriate; as the version installed ntbackup version is 5.2.3790.70

Please help!

Cheers,

Martin
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Question by:mbr1971
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10 Comments
 
LVL 88

Expert Comment

by:rindi
ID: 13426916
Check your running services with msconfig and disable those you don't need (also startup programs). USB devices often tend to disconnect, particularly if there is something running on the system which interfers. Also make sure those USB devices have an external powersource connected, and keep your OS patched.
0
 
LVL 16

Expert Comment

by:Nyaema
ID: 13431519
Clean your backup tape drives with a cleaning tape.
And if you have been recycling your tapes, maybe time to replace the.

Also if you have changed the brand of the tapes you have been using
try reverting to your previous brand (could be a defect with your new brand).

If you still get errors, you may need to replace the tape drive.
What make is your tape drive?  Are there lights blinking before you insert the tape?
0
 
LVL 2

Author Comment

by:mbr1971
ID: 13434430
Thanks Rindi and Nyaema for your comments.  

I'm afraid Nyaema I'm not using tapes.

Rindi, In most cases I'm backing up to USB external disks, I will check whether they are stopping - but the log file I have attached is actually from a system being backed up to a share on another server.

Thanks for the help...
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LVL 16

Expert Comment

by:Nyaema
ID: 13436903
In that case configure your Anti-virus software so that it exludes your mapped drives
and network connections during its online scan.

And make sure that the account you are using to run the script has the right username and password
and has access to the remote share.  Check the remote share permissions.
0
 
LVL 7

Expert Comment

by:SoyYop
ID: 13442712
From your post,

Launching NTBackup: ntbackup.exe backup "@D:\Program Files\Microsoft Windows Small Business Server\Backup\Small Business Backup Script.bks" /d "SBS Backup created on 17/02/2005 at 7:30 PM" /v:yes /r:no /rs:no /hc:off /m normal /j "Small Business Server Backup Job" /l:s /f "\\Winserv2\Winserv1Backups\Backup Files\Small Business Server Backup (01).bkf" /UM


A few ideas...

Once I have problems with the backup account not having right access to the "@..." file ("@D:\Program Files\Microsoft Windows Small Business Server\Backup\Small Business Backup Script.bks")
Login AS THE BACKUP ACCOUNT and try to open the file. Can you?

After you can, have tried running the backup manually from this account?
I remember I had a problem backing up to a unc share (/f "\\Winserv2\Winserv1Backups\Backup Files\Small Business Server Backup (01).bkf"), but I think it was because it was a hidden share (\\server\backup$) and I had to map it UNDER THE BACKUP ACCOUNT. Try mapping it as the backup account and see if you get the same problem.

Post results.

0
 
LVL 7

Expert Comment

by:SoyYop
ID: 13442739
By the way, "D:\Program Files", it is a local harddrive, right? If you have mapped it, check the same map has been done under the Backup account.
0
 
LVL 2

Author Comment

by:mbr1971
ID: 13444737
Problem solved - check this article and associated hotfix.

http://support.microsoft.com/?id=833167

The problem is a Volume Shadow Copy Writer timeout.

Thanks for the help,

Regards,

Martin
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Accepted Solution

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OzzMod earned 0 total points
ID: 13469770
Closed, 500 points refunded.
OzzMod
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Expert Comment

by:aitsupport
ID: 22772415
Hello, there are two files in the hotfix. Which one do you install?
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