Erwin Bierens

Sharing Knowledge

DNS configuration is preventing you from presenting content

It looks like the file is not automatically updating after DNS changes. Some users will get the following error: You can solve this by deleting the “EndpointConfiguratation.cache” file. Sign out of Skype for Business Click File Exit Open File Explorer Go to “C:/Users//AppData/Local/Microsoft/Office/16.0/Lync/sip_@sipdomain.com” Select File: EndpointConfiguratation.cache and delete it. Launch Skype for Business client and sign in. When you have a older version of Office running change the 16.

What’s fixed in Cloud Connector Edition 2.0.1

In Cloud Connector Edition 2.0.1, the following fixes were made: Restarting Virtual Machines sometimes caused the service to stop if the restart order determined by Hyper-V was incorrect. This has been fixed. Calls for download security checks in remote PowerShell sometimes caused calls to the New-CsOnlineSession cmdlet to fail. This issue has been fixed. During automatic updates, switching to a new version sometimes caused the running version to fail. This issue has been fixed

Skype for Business environment running with just one Public IP

For quite some time I’m running a home lab, first on a big server (HP Proliant DL360) and since beginning of this year I have a Intel Nuc, saves a lot of energy costs 😂 Domain Controller and CA on Windows 2016 Core Edition Skype for Business Front-End Server on Windows Server 2012r2 standard SQL 2014 std for monitoring and persistent chat on Windows Server 2016 Exchange 2016 on Windows Server 2016 Skype for Business Edge on Windows Server 2016 IIS ARR (Reverse Proxy) on Windows 2016 PBX on Windows Server 2016 This lab was great for testing purposes but the problem was always, no connection to the outside world with Skype because of the requirement for at least 2 external IP’s with the use of Skype for Business.

How to enable a Domain Admin for Skype for Business

Perhaps you have seen the error message below when trying to enable a Domain Admin (not recommended) in the Skype for Business control panel. Now this might not be the best “securest” way of solving this issue, but for my lab environment I do not care too much about that, but i should think twice before doing this in a productional environment. Probably you should not Skype enable your domain admin accounts at all if you want to be and stay secure.

Configure call forwarding on unassigned number ranges in Skype for Business

One of the great (for some people unknown) features introduced in Lync Server 2010 is the ability to assign a block of numbers to Lync and have Lync handle a call made to an unassigned number a specific way rather than just have a (fast) busy signal or the 404 error in SIP. This great feature is still availlable in Lync Server 2013 and Skype for Business Server 2015. Let’s build a text-to-speech message and forward the call to the reception for example: