Why do I get the message "No previous version is available", then there has backup systems, and a normal backup documents.
All configuration settings are properly configured system, I checked several times.
This services are configured as such
* Volume Shadow Copy - Default setting is Manual.
* Server - Default setting is Started and Automatic.
* TCP/IP NetBios Helper - Default setting is Started and Automatic.
* Workstation - Default setting is Started and Automatic.
Windows 7 Familliale (Excuse my english , i am french)

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