Lync/SfB Server: Event 41026, LS Data MCU after May 2017 .NET Framework update

Hi, Today a customer call me and said that they cannot connect to meeting. In the Blog below is the fix. https://blogs.technet.microsoft.com/uclobby/2017/05/24/lyncsfb-server-event-41026-ls-data-mcu-after-may-2017-net-framework-update/ And script that does this for You. https://gallery.technet.microsoft.com/LyncSfB-Server-Disable-EKU-dab6cb88continue reading →

Missed calls not showing in conversation history.

Today I figured out why Outlook 2010 and 2013 doesn't display this information anymore. Missed conversations and pstn-calls that the user calls out still work fine. To get it working again uninstall these updates: KB3101496 KB3114502 KB3114351 And it's working again. This isn't a permanent solution because these are security updates…continue reading →

Skype for Business

Yesterday Microsoft released Skype for Business thru Windows update and click-to-run. On-prem environments must be updated with the following IF you want to use the new gui. Lync 2010 server with CU 4.0.7577.710 https://support.microsoft.com/fi-fi/kb/2493736 Lync 2013 server with CU 5.0.8308.857 https://support.microsoft.com/en-us/kb/3018158 Then you have an option to Enable with Get-CsClientPolicy | Set-CsClientPolicy…continue reading →