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ITsVISTA KB-Link: KB2518158

Windows Security Alert appears when connecting to a wireless network on a workgroup machine

While connecting to a wireless network on a Windows system that is part of a workgroup, a Windows Security Alert dialog similar to the following may be displayed:

The server “<Authentication server>” presented a valid certificate issued by “<CA name>”, but “<CA name>” is not configured as a valid trust anchor for this profile. Further, the server “<Authentication server>” is not configured as a valid NPS server to connect to this profile.

or

The server “<Authentication server>” presented a valid certificate issued by “<CA name>”, but “<CA name>” is not configured as a valid trust anchor for this profile.

If you click the Connect button on the dialog box, the wireless connection will be established successfully.

For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB2518158.

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