See  EMC knowledge base article  esg108377 if you have a Powerlink
account:

>>
Symptoms
NetWorker 7.4.4 windows 2008 R2 64 bit backup failed error message:
--- Unsuccessful Save Sets ---
* client:C:\ 1 retry attempted
* client:C:\ 43705:save: Save Operations value is ignored on this OS
platform.
* client:C:\ ERROR: VSS failed to get comp=BCD FileGroup list,
writer=ASR Writer, error=0x80070008: Not enough storage is Cause When
install windows 2008 R2, windows did not assign a drive letter to the
reserved drive.

Resolution

from windows disk manager, assign a drive letter to reserved drive.
>>


> -----Original Message-----
> From: EMC NetWorker discussion 
> [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On Behalf Of Nee, Nigel
> Sent: Wednesday, November 25, 2009 10:34 AM
> To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
> Subject: Re: [Networker] Failing 2008 Backup
> 
> We are having this same exact problem.  How die you assign 
> the drive letters to the system state and hidden system partition.
> 
> Thanks,
> -Nigel
> 
> -----Original Message-----
> From: EMC NetWorker discussion 
> [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On Behalf Of Goslin, Paul
> Sent: Tuesday, November 24, 2009 7:55 AM
> To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
> Subject: Re: [Networker] Failing 2008 Backup
> 
> When we had initial problems backing up a 2008 server 
> (64bit), the solution for us was to assign a drive letter to 
> the hidden 'system'
> partition created when the OS was installed. Once we assigned 
> it a drive letter, the client backed up without any 
> problems.... Were running 7.4.4 server and 7.4 client for 
> 64bit Windows.
> 
> > -----Original Message-----
> > From: EMC NetWorker discussion
> > [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On Behalf Of Francis Swasey
> > Sent: Tuesday, November 24, 2009 7:14 AM
> > To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
> > Subject: Re: [Networker] Failing 2008 Backup
> > 
> > On 11/24/09 5:44 AM, Magnus Berglund wrote:
> > > According to EMC the root cause is the VSS writers in the OS.
> > >   
> > 
> > Did you really expect EMC to say anything else?
> > 
> > > According to the info we have got from EMC The NW_7.5.1.7
> > Cumulative
> > > Fix is a baseline release for Win2008 Server customers.
> > >   
> > 
> > How hard did you push on EMC before you gave up and moved 
> to 7.5?  Or 
> > were you already at 7.5, so you didn't push about fixes for 7.4 at 
> > all?
> > 
> > -- 
> > Frank Swasey                    | http://www.uvm.edu/~fcs
> > Sr Systems Administrator        | Always remember: You are UNIQUE,
> > University of Vermont           |    just like everyone else.
> >   "I am not young enough to know everything." - Oscar Wilde
> > (1854-1900)
> > 
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> > 
> 
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list. You can access the archives at 
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