• Install all SPs for the corresponding version according to check  results of aDeploy.

1.1.7.2 Application System

PIC: Sangfor engineer and customer's O&M personnel

• Check whether all VMs installed with a guest OS are working and whether there are alerts, suspended, or failed VMs.

• Check whether the guest OS or console of VMs can be accessed and whether the file system works well.

• Check whether all application services are available and running without an unexpected shutdown, restart, etc.

• Analyze the causes of all the anomalies detected above and handle them promptly.

1.1.7.3 Business System

PIC: Sangfor engineer and customer's business personnel

• Verify whether services provided by the business system can be accessed by performing some common operations to see whether anomalies occur.

• Verify   business   system   data    by   performing   data   addition,   deletion, modification, and query to see whether anomalies occur.

• Verify the  privileges of the  business system  by  performing  unauthorized operations to see whether anomalies occur.

• Analyze the causes of all the anomalies detected above and handle them promptly.