Error Fix: "A contact group with that name already exists." (Delete Former Employees) 1. Select the RELATIONSHIPS tab. 2. Find the contact record that looks similar to the one below: 3. Right click the contact and choose "Remove from Contacts List". 4. Select the GROUPS tab. 5. Right click the contact group that starts with SIP:XXXXXXXXXX. Choose Delete Group. 6. Select the Settings "Gear". 7. Choose File > Exit. 8. Re-open Skype for Business. Done!
