Step 1 Check whether the same NE user is used to access the NE on another client.
Step 3 Check the disk space of the server. Normally, the disk usage cannot exceed 80%. If the disk usage exceeds 80%, clean up the disk. You can delete and back up the associated files to free the disk space.
l The same user name is used to login to the NE on another VSM client.
l The number of NEs exceeds the threshold set on the VSM.
l The disk space of the VSM server is insufficient.