On Windows 2008 R2, how do I back up DHCP if the DHCP .mdb database is always busy?

Posted by johnny on Server Fault See other posts from Server Fault or by johnny
Published on 2014-06-03T13:50:28Z Indexed on 2014/06/03 15:30 UTC
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windows-server-2008

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backup

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dhcp

I get this from my backup software.

C:\WINDOWS\system32\dhcp\dhcp.mdb : The process cannot access the
file because it is being used by another process.
C:\WINDOWS\system32\dhcp\j50.log : The process cannot access the file because it is being used by another process.
C:\WINDOWS\system32\dhcp\j50tmp.log : The process cannot access the file because it is being used by another process.
C:\WINDOWS\system32\dhcp\tmp.edb : The process cannot access the file because it is being used by another process.

My questions:

Should I be doing a manual backup of DHCP via command line tools or maybe with MMC, Action, Backup before I run my backup?
Is the %SystemRoot%\System32\DHCP\Backup directory always kept up to date? (which does get backed up by backup software) I'm answering my own question but the registry key is set up for 3c, 60 minutes, I believe. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DHCPServer\Parameters\BackupInterva

This is not the included backup software for Windows. It is another product, but I have seen this with every backup software I've ever used.

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