Sunday, November 10, 2013

Lync Application Host failed to start -- Audio Test Service

Problem
The audio test service won't start.

Solution
This is because domain is wrong. So my Audio Test Service is trying to use address@mydomain, notice the .com is missing? Yes, this is a bug in lync, because i definitely updated the SIP address to be mydomain.com, but it didn't update this setting. So here's how to update the domain address for the Audio Test Service

1. If you don't have ADSIEdit then you'll need to install it on a server in your domain.  This article explains how to get it =  Adsiedit.

2. On your Lync Server open Lync Server Management Shell and execute Get-CsAudioTestServiceApplication

3. Use the information in the "Identity" to navigate to the proper spot in ADSIEdit.
For example, mine was located at MyCompany.local > System > Microsoft > RTC Service > Application Contacts > {GUID}

4. Fix the attributes "msRTCSIP-PrimaryUserAddress" and "proxyAddresses".  To save some sanity copy and paste the value from the msRTCSIP_PrimaryUserAddress after fixing it, and pasting it into proxyAddresses, add it, then remove the old one, this is so you don't have to manually type it in.

5. Start the Audio Test Service

Note: I noticed the same error in these Call Park Service, RGS Presence Watcher, Announcement Service too.


Reference
1. http://lyncdup.com/2011/07/lync-troubleshooting-audio-test-service-csaudiotestserviceapplication-will-not-start/

2. http://technet.microsoft.com/en-us/library/cc773354%28v=ws.10%29.aspx#BKMK_InstallingADSIEdit

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