3762938 - Not possible to disable or modify the email notification sent when signing in as another user.

You would like to disable or modify the email notification triggered to the employee when an Admin uses the sign in as another user functionality.

1. Click on User Menu Icon
2. Select Sign in as another user
3. Login again as the target user/employee
4. the End User receives a notification with Subject "Login As Another User Alert "

An e-mail notification is triggered to the end user once the login as another user functionality is triggered. 

This notification can currently not be disabled or modified. 

Login as another User, Notification, Alert , KBA , CEC-CRM-IAM , Identity and Access Management for SAP Sales/Service Cloud , Problem