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You experience intermittent message delivery delay or failure in Skype for Business Server 2015 Persistent Chat rooms


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Symptoms

Typically, this issue occurs in a large Microsoft Skype for Business Server 2015 environment.   

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Cause

This issue occurs because a certain task hits an exception that delays regular messages processing or leads to intermittent "503 Service Unavailable" error on Persistent Chat servers.

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Resolution

To fix this issue, install the November 2016 cumulative update 6.0.9319.272 for Skype for Business Server 2015.

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Keywords: kbqfe, kbsurveynew, kbfix, kbexpertiseadvanced, kb

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Article Info
Article ID : 3203153
Revision : 1
Created on : 1/7/2017
Published on : 11/7/2016
Exists online : False
Views : 140