Backup fails, reporting error number 8007422.

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Cause:  Windows Management Instrumentation needs to be started in order for Windows Small Business Server Backup to determine success or failure.

Solution:  Start Windows Management Instrumentation.

To start Windows Management Instrumentation

  1. Click Start, click Run, and then type Services.msc.

  2. In the details pane, right-click Windows Management Instrumentation, and then click Start.

If the problem persists, click Start, click Server Management, click the Information Center link, and then click either Community Website or Technical Support to get information about the problem.