SfB Server – Prerequisite installation failed: SqlInstanceRtcLocal

Recently while adding a new Front End Server to the existing Skype for Business Enterprise Pool we got the following message on SfB Deployment Wizard Step 1: Prerequisite installation failed: Prerequisite installation failed: SqlInstanceRtcLocal For more information, check your SQL Server log files. Log files are in the folder C:\Program Files\Microsoft SQL Server\MSSQL*.RtcLocal\MSSQL\Log, where the *… Read more

How to reboot your Lync/SfB Servers without breaking the Quorum.

More than once the situation when I’m asked how we should really reboot a server in a pool minimizing the impact for the end users, and not breaking the Server Quorum, Fabric Service and Routing Groups currently in use. Before proceeding, it’s important to always take in consideration our Technet Article about High Availability. There, you… Read more

SfB Server 2015: Event 57005, LS User Store Sync Agent – Could not find stored procedure XdsQueryCriticalDocumentSignatures

While updating our SfB Server 2015 lab, we notice that a recently updated Front End server had multiple errors and warnings in the Event Viewer: Log Name: Lync Server Source: LS User Store Sync Agent Date: 12/09/2017 21:54:33 Event ID: 57005 Task Category: (1061) Level: Error Keywords: Classic User: N/A Computer: sfbfe03.recore.lab Description: Error encountered… Read more

SfB Server: Cannot install KB2982006 – This update is not applicable to your computer.

In a previous post we explained how to install the KB2982006: Prerequisite (KB2982006) not satisfied when trying to install Skype for Business Server 2015 https://blogs.technet.microsoft.com/uclobby/2015/07/11/prerequisite-kb2982006-not-satisfied-when-trying-to-install-sfb-server-2015/ However, in a recent deployment with all the Windows Updates installed, including the KB2919442 and KB2919355,  we couldn’t install the KB2982006: We also got the same error in the Event… Read more

Lync/SfB: Quickly access the Certificate Store

In a previous post we wrote about the Checks to do in the Lync/Skype for Business Server Certificate Store, however, sometimes we might also want to manually check it using the Certificate Store MMC. Since Windows Server 2012 and Windows 8 we can quick access the Certificate Store MMC, for Local Computer and Current User, using Command Prompt/PowerShell or the… Read more

The user Accounts in Outlook and SfB do not match error when scheduling a Skype For Business Meeting from Outlook.

Even if there is many information about this error, recently I’ve faced a very interesting situation in an Exchange Hybrid + Skype For Business Environment in which the users were configured with a different Mail Address (SMTP), Skype Address (SIP) and User Principal Name (UPN). The issue: When trying to schedule a meeting on Outlook,… Read more

Lync/SfB: Check client version using PowerShell

During troubleshooting we often need to check the installed version, for Lync/SfB Server we already know how to check the installed version using PowerShell: Skype for Business Server Component Version using Get-CsServerPatchVersion https://blogs.technet.microsoft.com/uclobby/2015/12/08/skype-for-business-server-component-version-using-get-csserverpatchversion/ Skype for Business Server 2015 Component Version using PowerShell https://blogs.technet.microsoft.com/uclobby/2015/05/01/skype-for-business-server-2015-component-version-using-powershell/ Lync Server Component Version using PowerShell (Windows Registry) https://blogs.technet.microsoft.com/uclobby/2014/12/15/lync-server-component-version-using-powershell-windows-registry/ On the client we can check the… Read more

Lync/SfB Server: Stop Front End service in Starting state

Some of the cases we work have the Front End service in a Starting state: In PowerShell the status is StartPending: We cannot stop it on the Services Management Console: We can go to Task Manager and try to manual stop the service: If that doesn’t work we need to Go to Details and End task that is associated with… Read more

Skype for Business on Mac Update List: November 2017

Here is the update list for the Skype for Business on Mac: Download the latest update for Skype for Business on Mac Version Release Date 16.12.0.77 November 8, 2017 16.12.0.75 October 31, 2017 16.11.0.149 October 5, 2017 16.10.0.97 August 30, 2017 16.9.0.37 August 02, 2017 16.8.0.196 June 20, 2017 16.6.0.333 May 2, 2017 16.5.0.185 Mar…. Read more

SfB Server 2015: Pool Pairing with CMS and AlwaysON

We already publish guides to Deploying SQL Server AlwaysOn Availability Group for Skype for Business Server 2015 and also SfB Server 2015: Moving Central Management to a pool with SQL Server AlwaysOn BackEnd. However, we were asked to create another guide when we want to pair two SfB Enterprise Pools where the Primary Pool is hosting the Central Management Store… Read more