Error messages

This class of status codes indicates that the server successfully accepted the client request.

200 – OK. The client request has succeeded.
201 – Created.
202 – Accepted.
203 – Non-authoritative information.
204 – No content.
205 – Reset content.
206 – Partial content.
207 – Multi-Status (WebDay).

http://support.microsoft.com/kb/318380