During a scan, why does MBSA sometimes appear to hang with only a “Scanning…” message?
Depending upon the automatic configuration option selected for the scan, MBSA has the ability to deploy Windows Update Agent and perform a configuration change that allows the target computer to use Microsoft Update for scanning and obtaining updates. If either of these actions is needed for the target computer to be scanned, MBSA checks the Microsoft Web site to ensure it has the latest versions of the files needed for these changes and downloads them if newer files are available. Then, MBSA copies the files to the target computer and performs the configuration changes. This process can take several minutes depending upon network speed and available bandwidth.
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