Lync 2013 – Audio Test Service Failed to start after SIP domain change

During a primary SIP domain name change the Audio Test Service Failed to start up with the Error: EventID: 32003: Failed to start RTCATS Service The Application Host could not start the application urn:application:testbot Opened Lync Management Shell and Ran the Command: Get-CsAudioTestServiceApplication and it returned Where the SIP Address was showing the incorrect domain ie. […]

KB3114351: breaks Exchange MAPI connection in Skype for Business

Environment: Lync Server 2013 – On Premise Outlook 2010 Skype for Business 2015 Client (Lync 2013) Issue: After the installation of of KB3114351 client security update for Microsoft Lync 2013 and Skype for Business. We started receiving the error: “Exchange needs your credentials. Until… Enter Credentials” Looking into the issue a bit further it seemed that Exchange Web […]

Skype for Business SQL Error System.IO.IOException: The network name cannot be found.

On a recent Skype for Business Enterprise Server deployment, we added a new SFB Pool with the appropriate infrastructure ie. Backend SQL Cluster, DFS Network share. When it was time to Publish the topology we selected all the defaults for SQL where it will “Automatically Determine database file location” where the installer will look at the […]

Error code 1603 – Skype for Business In-Place upgrade

Was performing a Lync 2013 to Skype for Business In-place upgrade a couple weeks back when during the installation I received the error 1603: Error returned while installing Server.msi(RegistrarStore), code 1603. and then. Error returned while installing OcsCore.msi(Feature_LocalMgmtStore), code 1603. After a bit of investigation I found that initially this deployment was a Lync Server […]

Lync 2013 to Skype for Business DCOM Error migrating users

I was doing a Lync Server 2013 to Skype for Business migration, where I setup the new Skype for Business server in parallel with the Lync Server 2013 server so that there was little to no downtime. Once the Skype for Business server I migrated a test user from Lync Server to 2013 to Skype […]

How to setup CUCM 10.5 for Exchange 2013 Unified Messaging Voicemail

CUCM 10.5 Configuration Update: Originally we were running version: where we had some issues and had to upgrade to version: in order to fix the issue and have it functional again. Create a SIP Profile 1. Log into your CUCM web console: https://X.X.X.X 2. From the menu select: Device –> Device settings –> SIP […]

How to Setup and Configure the integration/simulring between Cisco Unified Communications Manager 10.5 and Lync/Skype for Business Server

 Author: Habib Mankal Cisco Unified Communications Manager Configuration Create a SIP Profile 1. Log into your CUCM web console: https://x.x.x.x 2. From the menu select: Device –> Device settings –> SIP Profile 3. Click Add New 4. Provide a name and configure the SIP profile as per the screen shots below ensure that: a. Early […]

How to setup simultaneous ring (simring) with Mitel Extension and and Lync Enterprise Voice:

Author: Habib Mankal Editor: Curtis Johnstone Contents   Introduction The below document explains on the setup and configuration of simultaneous ring (simring) between a Mitel extension and a Microsoft Lync enterprise voice user. Before beginning the steps below to configure simring you will need to have previously setup a sip trunk from the Mitel MCD […]

Direct SIP Integration between Mitel Communications Director (MCD) and Microsoft Lync Server

Author: Habib Mankal Editor: Curtis Johnstone This document is provided “as-is”. Information and views expressed in this document, including URL and other Internet Web site references, may change without notice. Some examples depicted herein are provided for illustration only and are fictitious.  No real association or connection is intended or should be inferred. This document […]