a) Before you start , take the backup of static route using below cmdlet Get-CsStaticRoutingConfiguration | Export-Clixml C:\Temp\StaticRout_Backup.xml Get-CsStaticRoutingConfiguration | Select-Object -ExpandProperty route | Out-File C:\Temp\Stati.txt b) Find out the SIPUri which need to remove:- Below cmdlet will provide all the static route  configured in the Lync Topology, and choose sipuri name which need to... Continue Reading →