OIM in MSN15 getting error: invalid parameter
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i m sending the blow request to the server for oim and i m getting error the server response is also below this is my request POST /OimWS/oim.asmx HTTP/1.1 Host: ows.messenger.msn.com Accept: */* User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; Windows Live Messenger 8.0.0812) SOAPAction: http://messenger.live.com/ws/2006/09/oim/Store2 Content-Type: text/xml; charset=utf-8 Content-Length: 1888 <?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema">soap:Header<From xmlns="http://messenger.msn.com/ws/2004/09/oim/" memberName="amit0902@hotmail.com" friendlyName="=?utf-8?B?YW1pdDA5MDJAaG90bWFpbC5jb20NCg==?=" xml:lang="en-US" proxy="MSNMSGR" msnpVer="MSNP15" buildVer="8.5.1288"/><To xmlns="http://messenger.msn.com/ws/2004/09/oim/" memberName="geodesic4@hotmail.com"/><Ticket xmlns="http://messenger.msn.com/ws/2004/09/oim/" appid="PROD0119GSJUC$18" lockkey="" passport="t=EwDQAfsBAAAU6YkiHMZzuZ4UDDW/bI8JLiYB/FmAAOGTgPkb5BP5QOI0mWiavFln07+F/N29EbTMdLNypxEjDv5AJtK3Mnhf+/NboMA63ovbTB+5hQL9nQDUYT0XqSPzskaYgOmg0Yzdu+pj/4Z9a/TuxZ6b6s6VUrLzwrvb7I/6yxH+CqQ22lzksnkw18l5xlSYK/DMy2uTpiVGH9NSA2YAAAi+DCLKu1ca0iAB3A186Ncp46GYFAQHX3YtPtZm/LqPO6OLxnql64UB5R2PVEZC6DA6ZZPoYTzNGEv+NkguFxQT6cgxmXLIAqvRYMCp5G56x7Nn01Zqf+yXB YmGlxKWu71lZuhibFjEXoNvMbLBABqX91Kdw0Ov7K8VNSu/uNFvt28DtS383qxdrQ0LAeMic3oWRNqVOr8xsjIm9A/Rm445zCbKOYibZpT5OkWJnKYH0ny1jMUqq//vlr48A7GiRJtpoplbRVsKYGRiVbTGV7K3yXVRuEpWW104inclputmQaTYHr0gipo+gK5Nzb0u3Zoh1oB vau1gDRUSnW2WyBIwQd+0a6phejyLXsufNyQn9J3rg2Xej2Jmi2VCK1GpPBxm6+qBnZY+WTY+SAE=&p="/><Sequence xmlns="http://schemas.xmlsoap.org/ws/2003/03/rm"><Identifier xmlns="http://schemas.xmlsoap.org/ws/2002/07/utility">http://messenger.msn.com</Identifier><MessageNumber>1</MessageNumber></Sequence></soap:Header>soap:Body<MessageType xmlns="http://messenger.msn.com/ws/2004/09/oim/">text</MessageType><Content xmlns="http://messenger.msn.com/ws/2004/09/oim/">MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 X-OIM-Message-Type: OfflineMessage X-OIM-Run-Id: {83BF3DE7-4E7D-5BF2-7895-29CF5934114C} X-OIM-Sequence-Num: 1 aGVsbG8A</Content></soap:Body></soap:Envelope> and server gives me the response HTTP/1.0 500 Internal Server