Dynamics NAV 2009 Classic client error "The extended stored procedure xp_ndo_enumusersids in the library file xp_ndo.dll, is not available on the server"

Do you get this error every time you try logging in via windows authentication on Dynamics NAV classic client? The reason is xp_ndo.dll is required for a successful login.
However you should not be affected by the error using database authentication.
If you need to use windows authentication, you will have to add the above library. click here for a walk through on how to add the library


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