How To Fix T5174 - Extension group cannot be deleted because it is being used!

SAP Error Message - Details

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 174

• Message text: Extension group cannot be deleted because it is being used!

What causes this issue?

One or more telephony servers use this extension group.

System Response

This extension group cannot be deleted.

How to fix this error?

If you want to delete this extension group, you must firstly remove all
assignments of telephony servers to this extension group from the
telephony server settings.
You can obtain an overview of the extension groups used in your system
by choosing View -> Extension groups in the SAPphone system
administration.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.