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Welcome again.

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This is Implementing Microsoft Windows Always On VPN,

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and in this module, we're going to cover troubleshooting.

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If you followed along with us in the course thus far,

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you won't likely need this module because you will

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have done everything correctly, everything will work perfectly,

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and you won't encounter any problems at all.

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I'm kidding.

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Of course,

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invariably there is going to be instances where

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something doesn't work correctly,

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and you'll need to perform some level of

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troubleshooting to identify the problem.

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This is more common during the configuration phase of the deployment,

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but it also happens sometimes, you know,

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post deployment when issues might arise later.

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Unfortunately,

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I can't cover every conceivable failure scenario and

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possible error message you might encounter,

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but what I will do is go over some of the most common error codes that

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administrators may face in their day‑to‑day operations.

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Many of the error messages you'll see as an Always

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On VPN administrator are common,

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and hopefully using the knowledge you gain from this module,

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you'll be able to quickly identify the root cause and restore connectivity.

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Troubleshooting is a combination of tools and methods,

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and I'll go over some of the various techniques that I use when

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troubleshooting Always On VPN for my customers.

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Some of the tools are native to Windows,

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which is helpful because there is nothing to download or install to

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perform many of the troubleshooting tasks covered here.

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There are, however,

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some third‑party tools that can greatly simplify the task of

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troubleshooting Always On VPN issues in some scenarios, and I'll discuss those a little bit later.