Monday, January 30, 2012

Lync Egde with Lync client in windows XP

Lync client on Windows XP Sp3 doesn’t authenticate with Lync server Edge (Remote users). Windows 7 able to support NTLM Authenticate but Windows XP does not support 128-Bit encryption. So that we will do following.



You have to remove Mark "Require 128-bit Encryption". 


Guide:  Run secpol.msc on Lync Front End server.
          Select Local Policies then Security Options
Set the following values to "No Minimum."
          Network Security: Minimum session security for NTLM SSP based (including secure RPC
          Network Security: Minimum session security for NTLM SSP based (including secure RPC) servers