[There's a reason that Yoda is the unofficial mascot of SBS.  Size indeed matters not.] I need your help - again - THE OFFICIAL BLOG OF THE SBS DIVA
Tue, Jul 16 2013 22:02 bradley

I need your help - again

In Server 2012 in order to rotate the backup drives properly with the native backup software, you will need this hotfix:

2833738 "The filename, directory name, or volume label syntax is
incorrect" error when you attach a new drive in the backup schedule
in Windows Server 2012

http://support.microsoft.com/kb/2833738

This hotfix is not on Microsoft update, nor is it planned to be in any update rollup.  I need to make the 'business case' to Microsoft that this is needed to be placed on the Microsoft update Servers or included in an update rollup.
So I need your help.  I need you to click on that link and request the hotfix.  In doing so you will help make the case that this hotfix should be pushed out through Microsoft update.  
Keep in mind that the hotfix will say Windows 8 RTM - this is normal as Server 2012 code is also Windows 8 code.  
But bottom line, help me make the case that this is needed to Microsoft.
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# re: I need your help - again

Wednesday, July 17, 2013 1:59 AM by SeanPT

I did my part

# re: I need your help - again

Wednesday, July 17, 2013 1:35 PM by Al

Done - although I've found the native backup buggy for HyperV backups.  I was constantly getting VSS Failures with Error Code 0x80780049 and others.  The only solution was to recreate the backup job and/or reboot - neither of which were good solutions.  I ended up trying out Altaro's HyperV backup V4 (which adds things like reporting, offsite copies, individual file restore, mailbox restore, etc.) and it works great and is free for up to two VM's.  Never saw any VSS errors using Altaro.  In the end my solution is Windows Backup to backup the server 2012 Hyper-V host with the bare metal backup (which always seemed to work) and Altaro to backup the SBS2011 hyper-V machines.