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Windows 7: Windows could not find backup devices on this computer

25 Feb 2011   #1
Microsoft MVP

Windows could not find backup devices on this computer

Does anyone know what this is about? Google goes nowhere (yet).

Windows could not find backup devices on this computer-capture.png

Both RPC services and dependencies are turned on.

My System SpecsSystem Spec
25 Feb 2011   #2
Orbital Shark



Found some info Here

Hope you find it useful
My System SpecsSystem Spec
25 Feb 2011   #3

Windows Seven x64

Seems weird but is DHCP Service started?

Check services.msc and see if DHCP is started, and or restart the service.

I'll update if I find anything else..


UPDATE: If you are trying to backup to the same drive were your operating system is stored it cannot be done. You can only back up to CD,DVD,or a different hard disk in which your OS is not stored.
My System SpecsSystem Spec

25 Feb 2011   #4
Microsoft MVP


Trying to back up to external. DHCP is started. Thanks Ryan.
My System SpecsSystem Spec
26 Feb 2011   #5

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86

Try turning off the firewall or other security apps. Also make sure make "DHCP Client", "RPC Endpoint Mapper" "Remote Procedure Call (RPC) Locator" and "Remote Procedure Call (RPC)" services are all running and set to automatic.

Just to eliminate, reboot the computer once, then try backing up.

Also, you should have these registry entries:


My System SpecsSystem Spec
26 Feb 2011   #6


Maybe a stupid question, but is your external HD showing up in Windows Explorer? I had that problem last week, for some reason the external wasn't showing up. Had to turn it off and back on again.

Just a thought.
My System SpecsSystem Spec
26 Feb 2011   #7
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1

The RPC service must be started, also the dependencies, DCOM Server Process Launcher and RPC Endpoint Mapper. A Guy
My System SpecsSystem Spec

 Windows could not find backup devices on this computer

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