The server is not operational. Error from AD when asp.net application is hosted in sharepoint

Question

I hope i can get a help from someone. I have an asp.net application i host in sharepoint in the Layouts folder. The app checks if a user s password has been updated or expired. When i first deployed the application it all worked well but later i started getting error The server is not operational. Any ideas and thanks in advance

Solution

the proble in nothing to do with sharepoint basically its AD problem kindly go through the following link

http://support.microsoft.com/kb/223321