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Windows Server® 2008 Administrator’s Companion by Charlie Russel and Sharon Crawford

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Deployment Testing

Sometimes a patch is so critical and such an emergency that you simply have to deploy it immediately and hope that it doesn’t cause too many other problems. We hope that doesn’t happen to you too often, and it shouldn’t if you have a good defense-in-depth approach to protecting your network. But when it does, do the deployment—you might have some issues on some computers, but the risks of serious problems from the vulnerability are a good deal more serious.

For all the rest of your patch deployments, however, it’s basic good practice to test the deployment before you roll it out to all the computers on your network. We like to use a three-stage deployment approach, though there are excellent arguments for adding additional stages ...

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