Informational 1xx

Error Code	Short Meaning	Informations
101	In progress.	The specified SyncML command is being carried out, but has not yet completed.

Successful 2xx

Error Code	Short Meaning	Informations
200	OK	The SyncML command completed successfully.
201	Item added	The requested item was added.
202	Accepted for processing	The request to either run a remote execution of an application or to alert a user or application was successfully performed.
203	Non-authoritative response	The request is being responded to by an entity other than the one targeted. The response is only to be returned when the request would have been resulted in a 200 response code from the authoritative target.
204	No content	The request was successfully completed but no data is being returned. The response code is also returned in response to a Get when the target has no content.
205	Reset content	The source should update their content. The originator of the request is being told that their content should be synchronized to get an up to date version.
206	Partial content	The response indicates that only part of the command was completed. If the remainder of the command can be completed later, then when completed another appropriate completion request status code SHOULD be created.
207	Conflict resolved with merge	The response indicates that the request created a conflict; which was resolved with a merge of the client and server instances of the data. The response includes both the Target and Source URLs in the Item of the Status. In addition, a Replace command is returned with the merged data.
208	Conflict resolved with client’s command "winning".	The response indicates that there was an update conflict; which was resolved by the client command winning.
209	Conflict resolved with duplicate	The response indicates that the request created an update conflict; which was resolved with a duplication of the client’s data being created in the server database. The response includes both the target URI of the duplicate in the Item of the Status. In addition, in the case of a two-way synchronization, an Add command is returned with the duplicate data definition.
210	Delete without archive	The response indicates that the requested data was successfully deleted, but that it was not archived prior to deletion because this optional feature was not supported by the implementation.
211	Item not deleted	The requested item was not found. It may have been previously deleted.
212	Authentication accepted	No further authentication is needed for the remainder of the synchronization session. This response code can only be used in response to a request in which the credentials were provided.
213	Chunked item accepted and buffered.
214	Operation cancelled	The SyncML command completed successfully, but no more commands will be processed within the session.
215	Not executed	A command was not executed, as a result of user interaction and user chose not to accept the choice.
216	Atomic roll back OK	A command was inside Atomic element and Atomic failed. This command was rolled back successfully.

Redirection 3xx

Originator Exceptions 4xx

Error Code	Short Meaning	Informations
401	Unauthorized	insufficient rights to complete the command.
407	Authentication required
404	N/A	No description available yet
412	Incomplete command
413	Request entity too large	If the Search command results are too large for processing on the recipient
415	Unsupported media type or format	If the media type or format for the data item is not supported by the recipient
420	Device full	device storage is full
423	Soft-delete conflict	The requested command failed because the "Soft Deleted" item was previously "Hard Deleted" on the server.
424	Size mismatch.	The chunked object was received, but the size of the received object did not match the size declared within the first chunk.

Recipient Exception 5xx

500	Command failed	Non-specific error created by the recipient while attempting to complete the command