503 Service Unavailable Exchange Unified Messaging MWI-Cisco Unified Call Manager

Integrating Exchange Unified Messaging (UM) with a Cisco Call Manager (CUCM) we setup and configured the Exchange and CUCM integration as per my previous post here. This deployment is a multi (3) CUCM Deployment and multi (6) Exchange UM Deployment. We then were testing the integration where we placed a call between Cisco Phone 1 and […]

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 […]

Skype for Business Server Cumulative Update Missing Instructions

The Skype for Business Server Cumulative Update 1 KB3061064 was released yesterday November 17, 2015. The instructions are located here are pretty detailed however it appears that the instructions for the below Upgrade or update the Enterprise Edition pool that has at least three front-end servers Skype for Business Server 2015 Standard Edition and other roles […]

Lync 2013 – Skype for Business iOS Client Side by Side Comparison

The Skype for Business iOS mobile client was released on October 14th and the first update just after a month later which included the Call Forwarding Feature was pushed out on Nov 16th. I wanted to put out this quick comparison since when you install the initial update you no longer have Lync 2013 installed […]

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 […]

Error 1603 Deploying Skype for Business Front-end Server

I was deploying a new Skype for Business Front-End Server, after installing all the pre-req software as per the Server requirements for Skype for Business Server 2015 where they also have a powershell command in order to install the OS features required to support the Skype for Business Front-end Server: Add-WindowsFeature RSAT-ADDS, Web-Server, Web-Static-Content, Web-Default-Doc, Web-Http-Errors, Web-Asp-Net, […]

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 […]

An unauthorized delegate operation was attempted

I enabled the use of Sefautil using the instructions located here. I wanted to add myself as a delegate for another user to allow users to send Lync/Skype for Business Meetings calendar invites on behalf of another user. I ran this command: .\Sefautil.exe /Server:LyncFe01.domain.com sip:John.Smith@domain.com /adddelegate:Habib.Mankal@domain.com everytime i ran the above command it would not […]

KB3080353 Breaks Dialin page and Distribution Groups

Recently had some servers auto patch themselves however the servers were not at the CU level they needed to be at for the Patch to work. KB3080353 was the Lync 2013 update that was installed. https://www.microsoft.com/en-us/download/details.aspx?id=48875 We received error that the https://dialin.domain.com web page was giving the error:       Distribution Groups that were added into […]

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 […]