Enabling Lync/SfB Client to use proxy server for SIP traffic instead of trying direct connection

Update 2017/09/12 – Added SfB2016 MSI (16.0.4588.1001). We had some reports that when trying to sign in to Skype for Business Online users were experiencing delays during the sign in process. This behavior was related to environments were the Lync/SfB client is configured to use a Proxy Server to connect to the Skype for Business Online servers. After researching the… Read more

Cannot Sign-in to Office 365 in SfB Control Panel – Exception of type ‘Microsoft.LiveID.IDCRL.IDCRLException’ was thrown

In a new Skype for Business Server 2015 lab we tried to sign-in to Office 365 in the Skype for Business Control Panel: But after a few seconds we got the following error message: We couldn’t log in to your Office 365 account. Please check the errors and then select OK to try again: Get-CsWebTicket: Exception of… Read more

How to disable Microsoft Teams from Startup

Update 2017/03/07 – Now we can control the start up behaviour with an application setting. Although we use Microsoft Teams every day we might not want to run it on startup. MS Teams now has this two options, we need to go to Settings > Application: We simply disable Auto-start application , if we don’t want MS… Read more

Microsoft Teams: Desktop and Web Client Log Location

Microsoft Teams preview was recently released and to help troubleshooting we need to verify the log and media trace files. The Microsoft Teams Desktop Client logs are located in: Windows %AppData%\Microsoft\Teams\logs.txt Mac ~\Library\Application Support\Microsoft\Teams\logs.txt And the Media ETL traces are located in: Windows %AppData%\Microsoft\Teams\media-stack Mac ~\Library\Application Support\Microsoft\Teams If we use the Microsoft Teams Web Client we can download the… Read more

Skype for Business on Mac – Conversation History not working and other issues

Microsoft launched a few days ago Skype for Business on Mac, which can be downloaded here: https://www.microsoft.com/en-us/download/details.aspx?id=54108. The purpose of this article is to provide the best practices on configuring your environment to get the best experience with this client, these recommendations were provided by Microsoft Beta team. It’s important to understand that, to have… Read more

Lync/SfB Server: Create a custom announcement for Unanswered Calls

We were asked if we could customize the sound/tone for unanswered calls when the called user isn’t voice mail enabled. Usually the mobile networks will play a announcement like “Sorry, the person you tried to call isn’t available please try again later”. In Lync/SfB Server we cannot change the default tone, however, we can use… Read more

Lync 2013/Skype for Business 2015 Client Update List: September 2017

Here is the list for the Lync 2013/Skype for Business 2015 client updates: Version Release Date KB Article Download 15.0.4963.1000 September 12, 2017 KB4011107 32 bit 64 bit 15.0.4953.1000 August 1, 2017 KB4011046 32 bit 64 bit 15.0.4945.1000 July 5, 2017 KB3213574 32 bit 64 bit 15.0.4933.1000 June 13, 2017 KB3191939 32 bit 64 bit… Read more

CallerIDBlock: Version 1.1 release notes

It’s been a while since we looked at the Blocking Calls on Lync Server and Skype for Business Based on Caller ID. Since then, we had an update related to the script Missed call notification when the call is blocked by CallerIDBlock MSPL Script, but the MSPL Script remained the same (created by VoIPNorm’s UC Blog – Blocking… Read more

Missing Kerberos Account Assignments after SfB Server 2015 In-place Upgrade

Recently we were asked why in a multi site deployment the Kerberos Account Assignments disappeared on a global level, after a single site performed an In-Place Upgrade to Skype for Business Server 2015. When we look at the planning details for the In-Place Upgrade to Skype for Business Server 2015, it mentions that we need to have additional considerations… Read more

Lync/SfB client tries to use proxy server instead of direct connection when using Proxy PAC on Windows 7

Update 2016/08/16 – This only happens on Windows 7, for Windows 8.1 and Windows 10 we don’t need to change the Proxy PAC file. Recently we received some reports saying that Lync 2013 and Skype for Business 2015/2016 clients were trying to use a Proxy Server for lyncdiscover and lyncdiscoverinternal URLs when the Proxy was configured using a… Read more