Re: Backup fails with error 'Unable to open "D:\" - skipped.'

On Apr 13, 11:17 am, v-ja...@xxxxxxxxxxxxxxxxxxxx ("Jacky Luo [MSFT]")
wrote:
Hi lorraine,

Thanks for posting back.

Let us refer to the following steps to troubleshoot the issue:

1.Installed the following Hot fixes

KB913648 " "http://support.microsoft.com/kb/913648/en-us> : A new Volume
Shadow Copy Service update is now available that fixes various Volume
Shadow Copy Service problems in Windows Server 2003

KB924749 " "http://support.microsoft.com/kb/924749/en-us> : Event ID 2021
is logged even though lots of non-paged pool memory is available in Windows
Server 2003

KB925903 " "http://support.microsoft.com/kb/925903/en-us> : You are forced
to replicate a large file from a Windows Server 2003 SP1-based computer
across the slow network links when small changes are made to the large file

2.Disabled compression on the Drive

3.Enable shadow copies on all drives included in thebackup.Adjust the size
of the shadow copy to accommodate thebackup.

1) Ran abackupafter deleting the oldest 2 snapshot sets
2) Changed the setting of "Maximum Size" "No Limit" to "Use Limit" and set
it to 3071.
3) Once thebackupis executed well, changed this back to "No Limit".

Changed the 'settings' ofD: drive from "No limit" to "Use limit" value
3071MB
Tested a shadow copy,then do fullbackupagain.
Changed the 'settings' ofD: drive from "Use Limit " to "No limit"

4.Please refer to the following KB to verify if it is related hardwarebackupdevice,compatibility issue between hardware and OS

Windows Server 2003 cannot performbackupjobs to tape devices on a storage
area network

http://support.microsoft.com/default.aspx?scid=kb;en-us;842411

you can Connect a USB drive to the server and ran the SBSbackupwizard tobackupeverything (system state, C:\, E:\, and Information Store).what's
the result? if USB drive work,indicate that it is related to your NASbackupdevice.

5.if issue persists,please install windows 2003 server SP2

6.If you schedule to back up to a hard disk, does the issue occur?

Finally,I would like to confirm with you if you have manually performed
fullbackupto NAS device successfully as my suggestion 1 do in my previous
response, if so, that means manualbackuphave no problem,just scheduledbackuphave problem.

This is important to identify the issue.

If issue still occur,please send me thebackuplog as I have mentioned
before.

I appreciate your time. I am happy to be of assistance and look forward to
your reply.

Have a nice day!

Best regards,

Jacky Luo (MSFT)
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Hi Jackie,
I seem to have allowed you to labour under a misapprehension.
The system is Windows Server 2003 for Small Business Server with
Service Pack 2. It also has Small Business Server R2 installed.
I don't know if that makes a difference to your analysis, but the
backup I tried on Friday failed with this error:-
Error: COOKIE\Microsoft Information Store\First Storage Group is not a
valid drive, or you do not have access.

First Storage Group is on the C drive, it follows the creation of the
D drive saveset and precedes the 'System State' saveset.

I will try and send you the log files by email rather than posting
them here.

Lorraine

.

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