Skype for Business Client with “Outlook Integration Error” for around 10/15 minutes

Scenario: Skype for Business client 2015/2016 (MSI or Click to Run) Skype for Business client April 2017 update (or higher) Exchange Server 2010 Problem: When opening the Skype for Business client you get in bottom right corner an exclamation mark, for around 10/15 minutes, with the following error: “Outlook Integration Error“. You open the “Configuration… Read more

Cannot remove the Director Pool – Users or Contacts are associated to it.

While trying to decommissioning a Lync Server 2013 Director Pool we got the following error message when we publish the new topology: This wasn’t expected since a Director Pool shouldn’t have users associated with it. After troubleshooting the issue, we notice that some users had the attribute msRTCSIP-PrimaryHomeServer associated to the Lync Server 2013 Director… Read more

SfBMac: Cannot connect to EWS after enabling EWS Access Policy

In a recent support case the Skype for Business Mac client wasn’t connecting to Exchange Web Services (EWS) after the EWS Access Policy was configured with the following cmdlets: Set-CASMailbox -Identity brick@borderlands.lab -EwsApplicationAccessPolicy EnforceAllowList -EwsAllowOutlook $true -EwsAllowMacOutlook $true Set-CASMailbox -Identity brick@borderlands.lab -EwsAllowList @{add=’UCWA/*’, ‘OC/*’, ‘OWA/*’} https://technet.microsoft.com/library/bb125264(v=exchg.160).aspx Get-CASMailbox -Identity brick@borderlands.lab | fl Name,EwsApplicationAccessPolicy,EwsAllowOutlook,EwsAllowMacOutlook,EwsAllowList EWS was working except… Read more

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