SfB Server: Cannot install SQL Server 2014 Express SP3

While installing the SQL Server 2014 SP3 we experience the following error: SQL Server Setup has encountered the following error: Exception has been thrown by the target of an invocation. Here is the cmdlet we use: SQLEXPR_x64_ENU.exe /ACTION=Patch /AllInstances /IAcceptSQLServerLicenseTerms Looking at the SQL Setup Bootstrap log we have an exception: C:\Program Files\Microsoft SQL Server\120\Setup … Continue reading SfB Server: Cannot install SQL Server 2014 Express SP3 →

SfB Server 2015, Install-CsDatabase : Command execution failed: The network path was not found. (AlwaysOn BackEnd)

Update: This behavior was fixed in Skype for Business Server 2015 CU9. After installing the Skype for Business Server 2015 CU8, we might see the following error when updating the databases on a AlwaysOn BackEnd: Install-CsDatabase -Update -ConfiguredDatabases -SqlServerFqdn <AlwaysOn SQL Listener> WARNING: Install-CsDatabase failed. WARNING: Detailed results can be found at "C:\Users\Administrator.RECORE\AppData\Local\Temp\2\Install-CsDatabase-e68ceeb8-b8dd-4296-96c6-00d5ec6f96fb.html". Install-CsDatabase : Command … Continue reading SfB Server 2015, Install-CsDatabase : Command execution failed: The network path was not found. (AlwaysOn BackEnd) →

Lync/SfB Server: Rebuilding the SQL Local Databases

While troubleshooting an issue where the Front End Service wasn't starting, we notice that the Event Viewer > Applications and Services Logs > Lync Server had references to the local database unavailability: Log Name: Lync Server Source: LS User Services Date: 02/01/2019 14:18:40 Event ID: 32122 Task Category: (1006) Level: Warning Keywords: Classic User: N/A Computer: sfbfe01.recore.lab … Continue reading Lync/SfB Server: Rebuilding the SQL Local Databases →

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: 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: 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 (CMS). … Continue reading SfB Server 2015: Pool Pairing with CMS and AlwaysON →

SfB Server: Moving Central Management to a pool with SQL Server AlwaysOn BackEnd

In a previous post, we described how to configure AlwaysOn Availability Groups for Skype for Business Server 2015: Deploying SQL Server AlwaysOn Availability Group for Skype for Business Server 2015 That same post covers a green field deployment, but in this one we are going to work on a scenario where the xds and lis … Continue reading SfB Server: Moving Central Management to a pool with SQL Server AlwaysOn BackEnd →

Lync/SfB Server: Test-CsDatabase uses local server to determine ExpectedVersion

While doing some lab testing we notice the Test-CsDatabase uses the local server current update to verify which is the expected version. As an example, in our lab we have pool.gears.lab with January 2014 Cumulative Update and it will return the following: Test-CsDatabase -ConfiguredDatabases -SqlServerFqdn sql01.gears.lab | Select SqlServerFqdn, SqlInstanceName, DatabaseName, InstalledVersion, ExpectedVersion | ft -AutoSize … Continue reading Lync/SfB Server: Test-CsDatabase uses local server to determine ExpectedVersion →

Deploying SQL Server AlwaysOn Availability Group for Skype for Business Server 2015

In Lync Server 2013, there were requests regarding an alternative to SQL Mirroring for SQL Server High Availability. This was related to the fact that SQL Mirroring was marked as a feature to be removed in future SQL Server versions: This feature will be removed in a future version of Microsoft SQL Server. Avoid using this feature in new development work, … Continue reading Deploying SQL Server AlwaysOn Availability Group for Skype for Business Server 2015 →