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TE30 failed to register at LYNC server

Publication Date:  2014-11-29 Views:  132 Downloads:  0
Issue Description
TE30 failed to register at LYNC server
Alarm Information
Handling Process
1. use TE30 ping LYNC server and ok. the network between TE30 and LYNC server was good .
2. capture the packet at LYNC server, the result was
ms-diagnostics: 1000;reason="Final handshake failed";HRESULT="0xC3E93EC3(SIP_E_AUTH_UNAUTHORIZED)";source="VCSSEDLYNC01.VECTRAHOMOLOG.INT"

3. after analysis the logs, the root cause was the user name and password was incorrect .
check all the account and password of the third device .
after correct the all the account and password among AD server , LYNC server and TE30 .
the problem solved.
AD server :

LYNC server

Root Cause
the account or password was incorrect amount all the devices
AD server ,LYNC server and TE30's account and password must be fit.
 familar with the network packets analysis