Lync/SfB Client: Disable file upload to external conferences

In the March 2018 update for Lync2013/SfB2015 and SfB2016 a new setting was included that can disable file upload to external conferences (Federated and Anonymous). Before this update the Lync/SfB Client didn't had a setting that could prevent file upload to external meetings: We can configure the EnableExternalFileTransferInConference setting with Inband Policy or Register Key: Inband Policy $a … Continue reading Lync/SfB Client: Disable file upload to external conferences →

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 … Continue reading Cannot remove the Director Pool – Users or Contacts are associated to it. →

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://docs.microsoft.com/powershell/module/exchange/client-access/Set-CASMailbox Get-CASMailbox -Identity brick@borderlands.lab | fl Name,EwsApplicationAccessPolicy,EwsAllowOutlook,EwsAllowMacOutlook,EwsAllowList EWS was working except … Continue reading SfBMac: Cannot connect to EWS after enabling EWS Access Policy →

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 * … Continue reading SfB Server – Prerequisite installation failed: SqlInstanceRtcLocal →

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

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

Update 2018/01/31 - Please note that the fix for this is included in the Skype for Business January 2018 Cumulative Update (CU6 HF1) Prerequisite (KB2982006) not satisfied when you try to install Skype for Business Server 2015 https://support.microsoft.com/kb/4056288 In a recent deployment with all the Windows Updates installed, including the KB2919442 and KB2919355, we couldn't … Continue reading SfB Server: Cannot install KB2982006 – This update is not applicable to your computer. →

Lync/SfB Server: 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 … Continue reading Lync/SfB Server: Quickly access the Certificate Store →

Enable Lync 2010 Meeting Invite Template in Lync2013/SfB2015

The January 2017 client update for Lync 2013/SfB2015 includes a new registry key that allows Lync2013/SfB2015 Meeting Addin to create a meeting invite similar to the one in Lync 2010 client. For reference we need to look how Dial in Conferencing Numbers are configured: Get-CsDialInConferencingAccessNumber https://docs.microsoft.com/powershell/module/skype/Get-CsDialInConferencingAccessNumber Now, before any change, we can see that a meeting invite for … Continue reading Enable Lync 2010 Meeting Invite Template in Lync2013/SfB2015 →

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 Skype for Business Server 2015 Component Version using PowerShell Lync Server Component Version using PowerShell (Windows Registry) On the client we can check the version by using … Continue reading Lync/SfB: Check client version using PowerShell →

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 … Continue reading Lync/SfB Server: Stop Front End service in Starting state →