If you do not have access to Local User Maintenance feature in Matrix, please follow the following steps to activate/deactivate a new user in Matrix:
1. Go to Support -> Knowledgebase
2. User Activation/Deactivation icon will appear on the next page
3. Choose the correct form for the action you are trying to accomplish
4. Complete the form and click Submit
5. Upon receiving the request, Matrix Solutions will have the user activated within 1 business day
Keyword Search: Local User Maintenance, Activate User, Deactivate User, Create User, Remove User