We had an issue in one of our clients site where some SCCM Administrator were receiving SCCM 1810 Client Notification error in the console. They informed us that they just upgraded to SCCM 1810 recently. When we tried to initiated a client notification on SCCM 1810, the following error occured : Clearly a missing permission in the security role of the affected users… but which one ? We found our answer in the SCCM 1810 What’s new documentation : A new permission is now required to perform the Client Notification Actions. SCCM 1810 Client Notification error Resolution Here’s how to fix this error : Go to Administration\Security\Security Roles Select the security roles that applies to your affected user, right-click and select Properties In the Permission tab, go to Collection (not SMS_Collection) Set Notify Ressource to YES Repeat for any other security role That’s it, your user will be able to do again … Read More