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  2. Lync 2013 (Skype for Business) connects to Front End servers through DirectAccess tunnel after you install KB3172184

Lync 2013 (Skype for Business) connects to Front End servers through DirectAccess tunnel after you install KB3172184

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Symptoms

After you apply KB3172184, Microsoft Lync 2013 (Skype for Business) always connects directly to Front End servers through DirectAccess IPsec tunnels instead of the previous external connections to Edge servers. This issue may affect call quality during conferences and connectivity.

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Workaround

To work around this issue, use one of the following methods:
  • Create a firewall rule to block outgoing IPv6 from client to Front End servers' IPv6 addresses.
  • Disable IPv6 on Front End servers.

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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Keywords: kbqfe, kbsurveynew, kbexpertiseadvanced, kbtshoot, kb

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Article Info
Article ID : 3191540
Revision : 1
Created on : 1/7/2017
Published on : 9/22/2016
Exists online : False
Views : 295