When you try to install the stand-alone package for Windows Vista SP1, Windows Vista SP2 Beta, or Windows Server 2008 SP2 Beta, you may receive the following error message: 'Installation was not successful,'” Microsoft revealed, informing that the deployment of SP2 via Windows Update could also fail and deliver similar symptoms.

In this context, the first step is to use the standalone package for the service pack. “One reason why you may want to use the stand-alone package for the service pack is that you can eliminate installation issues that may be related to Windows Update. This simplifies the troubleshooting process, Microsoft added.

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