1.1 登录到NSX-Manager命令行界面，输入用户名和密码登录到用户模式
Log in to the vSphere Client and select an NSX virtual appliance from the inventory.
Click the Console tab to open a CLI session.
Log in to the CLI and switch to Privileged mode:
1.2 进入到特权模式
manager> enable
password:
manager#
Switch to Configuration mode:
1.3 进入配置模式
manager# configure terminal
Change the admin account password:
1.4 修改admin用户密码
manager(config)# cli password PASSWORD
Save the configuration:
1.5 从运行内存中永久写入到磁盘中
manager(config)# write memory
Building Configuration...
Configuration saved.
[OK]