AD connection denied after full search using membership provider

March 18th, 2011

If you have a custom membership provider connected to an Active Directory and a full user search is made in EPiServer admin mode, the AD can stop connecting with the user running the website.

The error generated is “Unknown error (0×80005000)” and the solution is to disable full searches for users in the custom membership provider.

If the AD has started to block the connections the IIS seems to need a restart (or at least the website need to restart) in order for the AD connection to start working properly again.

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