Challenge of Day

Friday, February 6, 2009

Microsoft Office Communications Server Validation Fails


If you are stuck with this error message:

Failed to register user: User sip: @ Server
Failed registration response: [
SIP/2.0 404 Not Found
FROM: ;epid=epid00;tag=74c8a3b6cd
TO: ;tag=C86D3278207DF163521E38386B5EDDF5
CALL-ID: a5fa02f7a073435d90cfe146df393e28
VIA: SIP/2.0/TLS;branch=z9hG4bK9fc22973;ms-received-port=3086;ms-received-cid=700
AUTHENTICATION-INFO: Kerberos rspauth="602306092A864886F71201020201011100FFFFFFFF977F5DB20C9783B6FDD6516A0AF6F261", srand="D4C7A34D", snum="1", opaque="42D17134", qop="auth", targetname="sip/", realm="SIP Communications Service"
ms-diagnostics: 4005;reason="Destination URI either not enabled for SIP or does not exist";source=""

Then before surfing the web and going for extraordinary ideas, check if users you are introducing are:
1 - Memeber of RCTUniversalServerAdmins
2 - Make them administrator of local computer
3 - Make sure you have make them SIP Enabled. For this reason, after installation of Office Communications Server, in Active Directory Users, right click on the users and follow the SIP enable wizard.

Be a winner in your daily challenges
Ali Khademi


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