external lync users cannot sign in.

Ports opened to the lync edge server.

External user signs into lync client, gets prompted for the password but I get this error :

"You didn't get signed in. It might be your sign-in address or logon credentials, so try those again"

i have verified the credentials. certificates are all tr

June 14th, 2013 2:23am

resolved.http://www.uc-point.com/en/1039-lync-2010-or-commuinications-server-2007-r2-client-login-problem
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June 14th, 2013 3:12am

Hi,

Thank you for posting the question,I am glad you have figured it out and shared the solution here.

Regards,

Sharon

July 8th, 2013 1:31am

Hi, may i know what's the solution as the link you posted is cannot be openned, thx.
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June 11th, 2015 1:50am

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