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We have a new registration and login experience where we utilize our platform's single sign on to better authenticate users. Please follow the steps below:

1. Follow this link to the Grid login

2. Sign into the grid using your domain or cloud password for Mimecast.

3. Once logged in, you will be redirected to this Mimecast U login screen and can then select the "Sign into Mimecast U" option above

NOTE:  Accessing the above sign in button without following the login steps will result in an error

 If you are having any issues please email mimecastu@mimecast.com