This script checks and removes invalid Response Group agents. If we don’t delete them, we will have the following warning events:
Lync/SfB Server: Event 31137,31138 LS Response Group Service – UC Lobby
Usage:
Get-CsRgsInvalidAgents.ps1 [-Name] [-Remove]
Without parameters, the script will check all Response Groups for invalid agents:

-Name
Use this to specify a response group. For instance, check all invalid agents from Test Response Group:

-Remove
Use this switch to Remove invalid agents:
