During a test we could not fail over a Skype for Business Front End server with the following error: Invoke-CsComputerFailOver -ComputerName <Server FQDN> https://docs.microsoft.com/powershell/module/skype/invoke-cscomputerfailover WARNING: Invoke-CsComputerFailOver failed. WARNING: Detailed results can be found at "C:\Users\Administrator.RECORE\AppData\Local\Temp\2\Invoke-CsComputerFailOver-59928429-ed4f-4954-b5de-d69b11290780.html". Invoke-CsComputerFailOver : Command execution failed: Insufficient number of computers (only 2 nodes would remain active) to maintain the minimum number of … Continue reading Invoke-CsComputerFailOver : Command execution failed: Insufficient number of computers
While installing the Skype for Business Server 2015 CU8 on the Edge Server we had the following error: In the Server.msp-SFBEDGE01-[2019-01-24][10-36-34]_log: MSI (s) (C0:B4) [10:37:04:023]: Executing op: CustomActionSchedule(Action=CA_InstallDBonPatchInstall,ActionType=3073,Source=BinaryData,Target=ExecuteCommand,CustomActionData=powershell -noprofile -command " & Install-CsDatabase -Update -DatabaseType Registrar -Verbose "|C:\Windows\system32\\WindowsPowerShell\v1.0\powershell.exe|C:\Windows\system32\) MSI (s) (C0:B4) [10:37:04:027]: Creating MSIHANDLE (10878) of type 790536 for thread 4788 MSI (s) (C0:20) [10:37:04:027]: Invoking remote … Continue reading SfB Server 2015 (KB4464355) could not be installed. Error code 1603.
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)
In Lync Server 2010/2013 when we added a federated partner sip domain to the Allowed Domains list we didn't had the option to configure the Verification Level for each federated sip domain. This means that for Lync Server 2010/2013 the default Verification Level was UseSourceVerification for allowed domains. If we had an open federation, then we could change this … Continue reading SfB Server: Verification Level on Allowed Domains
Thanks to Tobie Fysh to point out that the steps described in the previous post KB2982006 missing while installing SfB Server 2015 on Up-to-date Windows Server 2012 R2, don't apply if we are doing an inplace upgrade from Lync Server 2013 to Skype for Business Server 2015. We cannot use the same workaround because the Skype for … Continue reading KB2982006 missing on SfB Server 2015 In-place upgrade
Recently we had a question related to the KB2982006 prerequisite missing on a Windows Server 2012 R2 that had all the latest Windows Server updates installed. This is a known issue when the Deployment Wizard fails with the following error: Prerequisite not satisfied: Before you install Skype for Business Server 2015, you must Install an … Continue reading KB2982006 missing while installing SfB Server 2015 on Up-to-date Windows Server 2012 R2
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