2.2.1.3.4 RopPending ROP
The RopPending ROP ([MS-OXCROPS] section 2.2.14.3) notifies the client that there are pending notifications on the server for the client. This ROP MUST appear only in response buffers of either the EcDoRpcExt2 method, as specified in [MS-OXCRPC] section 3.1.4.2, or the Execute request type,<7> as specified in [MS-OXCMAPIHTTP] section 2.2.4.2.2. For more information about how the server sends this ROP response, see section 3.1.5.6. For more information about how the client receives this ROP response, see section 3.2.5.5.3.