Network change doesn't refresh proxy cache in Lync 2013 (Skype for Business)

Symptoms
Microsoft Lync 2013 (Skype for Business) caches proxy resolution for each URL, and doesn't clear the cache immediately after a network change. This can cause a meeting join failure after the network is changed and the proxy is cached. 
Resolution
To fix this issue, install the September 6, 2016, update (KB3118281) for Lync 2013 (Skype for Business).

Notes
  • By default, the fix is disabled after you install this update. To enable the fix, see "Registry information".
  • Lync 2013 was upgraded to Skype for Business in April 2015.

Registry information


Important  Follow the steps in this section carefully. Serious problems might occur if you change the registry incorrectly. Before you change it, back up the registry for restoration in case problems occur.

After you install this update, you can follow these steps to enable a Group Policy setting to fix the issue:
  1. Start Registry Editor.
  2. Locate and then select the following registry subkey:
    HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\15.0\Lync
  3. Go to Edit > New > DWORD Value, type ResetProxyResolutionCacheOnEndpointDisable, and then press the Enter key.
  4. Go to Details > ResetProxyResolutionCacheOnEndpointDisableModify > Value data, type 1, and then select OK.
  5. Exit Registry Editor.

خصائص

رقم الموضوع: 3186686 - آخر مراجعة: 09/06/2016 17:18:00 - المراجعة: 1.0

Skype for Business 2015, Microsoft Lync 2013

  • kbqfe kbfix kbexpertiseadvanced kbsurveynew KB3186686
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