Public Developer Preview for Microsoft Teams

How to enable Developer Preview To participate in the Public Developer Preview, you need to do the following: Go to your Teams client menu and switch to the preview under Menu → About. / What do you get? The following features are available in the Public Developer Preview as of August 25, 2017. Apps in Microsoft Teams Apps in Microsoft Teams allow you to make your service available to users through a single Teams App package, which includes bots, tabs, connectors and compose extensions. Continue reading

Enable External (guest) Access for Microsoft Teams

Microsoft has released Guest Access for Microsoft Teams, but Microsoft Teams guest access is a tenant-level setting and is turned off by default, so i will show you how to turn this on. / Turn on Guest Access on tenant level Go to your Admin portal, Settings, Services and Addins and select Microsoft Teams. Or use the link below. https://portal.office.com/adminportal/home#/Settings/ServicesAndAddIns Invite guests to your Team go to your Team you want to share and insert the guest users email address

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 16.0 to 15. Continue reading

Cloud Connector Edition Upgrade Issues

Since i was facing some isssues last time with upgrading our company Cloud Connector Edition it’s a good thing to keep old installers (check below for Archive). We had the CCE 1.4.2 version running, due to some accounting issues the upgrade to 2.0.0 never has started. You can use Set-CcCredential -AccountType TenantAdmin to set the new global admin account. (Global admin role required for 1.4.2, from 2.0.0 and newer Skype Admin role is required) So after setting the right O365 account i tried to start upgrading the appliance. Continue reading

Let’s Encrypt and Skype for Business

For my home lab I’m using the free certificates from Let’s Encrypt (Let’s Encrypt is a free, automated, and open Certificate Authority). The certificates from them have 1 big limitation, they are only valid for 3 months but you can renew them “almost” automatically. As explained In my blog last week about “Skype for Business environment running with just one public IP” I’m running my Reverse Proxy with IIS ARR (Application Request Routing). Continue reading

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 Continue reading

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. Continue reading