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Lync Client 2013 and TMG 2010

Dear All,

I'm working in a Project, connected to customer network, they have TMG 2010 working as a proxy and i'm using the internet thought this TMG.

I have Lync Client 2013 which related to my company, Lync can't sign in while i'm here, it's keep trying to sign in, whenever i go out using another internet from home for example, it's working fine.

what i have to change in TMG to allow Lync client traffic?

Thanks
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Rhala
Asked:
Rhala
1 Solution
 
Haresh NikumbhCommented:
Make sure that the TMG firewall have ports 443,3478 and 50000-59999 open to all traffic.

are you using proxy credential to access internet ?

if yes then changed with Un-authenticated access
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Vasil Michev (MVP)Commented:
URLs and IP ranges for Lync ONline:

http://technet.microsoft.com/en-us/library/hh372948.aspx

Ports and additional troubleshooting are listed here:

http://support.microsoft.com/kb/2409256/en-us
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RhalaAuthor Commented:
Dear Haresh Nikumbh,

we are using proxy to access internet, so how to change to Un-authenticated access?



Dear vasilcho,

what we have is a Lync on-promise, not online...
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Haresh NikumbhCommented:
Rhala,

do you have to enter credentials in Proxy   to use internet ?  or only entering proxy details is sufficient and it does not required any credential
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RhalaAuthor Commented:
it's require credential because i'm not join to domain
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Haresh NikumbhCommented:
So your mac address or ip address can be exclude, check it out network team if they can help you in this
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RhalaAuthor Commented:
everything in TMG, i need to configure TMG to allow Lync, nothing to do with network team.
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Jeffrey Kane - TechSoEasyPrincipal ConsultantCommented:
All is explained here:  http://support.microsoft.com/kb/2769142

It's not a simple fix.  Easier solution would be to bypass the proxy server if possible, ie, use Lync Mobile Client instead.

Jeff
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