*need more information*
Login to Clearpass (https://servername/tips) as admin.
From Dashboard click the link Guest.
Verify that you now have full operator access.
If not - verify that you admin user has Super Administrator role under:
Administration » Users and Privileges » Admin Users
Assuming you are using a different user you need to verify that you have the appropriate role, role mapping, service and translation rules (in Guest) for the user you are logging in with.
Is the user in the local admin database, in the local user db, in AD - or where?