iManager U2000 Login failed.You will need to contact the IT administrator that handles the whole server because, as you can see in the error message, the user you have tried doesn't have permission to log-in. Since the IT Administrator has access to the administration interface, he can modify all the permissions. Unfortunately, this is the only way to overcome this problem.
iManager U2000 Unified Network Management System provides unified management and visual O&M to help operators reduce operation and maintenance (O&M) costs and transform networks to All-IP networks. It was designed to efficiently and uniformly manage transport, access, and IP equipment at both the network element (NE) layer and the network layer.