1, customers can login VSM client
2, find all NE and network topology has generated
3, but click NE prompting failure in the topology, can't click NE
Login VSM management process, and find 'usg management process' and‘quidway SW management process' all do not start
Manually start this several process. Problem solved
It caused by NE process do not start
Although 'usg management process' and‘quidway SW management process' do not influence login client, but affect the read of NE. When solve the problem check whether the process is stopped first.