The Win32 error codes are defined in the Winerror.h or Lmerr.h file. The error values are listed as decimal values in these files. Convert dwErr back to a decimal number. If the result is not found, subtract 2100 from dwErr and look up the result in the Lmerr.h file. The authentication method is not supported.
Strong authentication is required.
Administration limit on the server has exceeded. Critical extension is unavailable. There was an inappropriate matching. There was a constrain violation. The attribute exists or the value has been assigned.