What is the scheduled task "\Microsoft\Windows\CertificateServicesClient\SystemTask" on my Windows 7 computer?

"\Microsoft\Windows\CertificateServicesClient\SystemTask" is a scheduled task on Windows 7 system added as part of the Windows system.

You will see "\Microsoft\Windows\CertificateServicesClient\SystemTask" listed on Task Scheduler with the following information:

Name: SystemTask
Location: \Microsoft\Windows\CertificateServicesClient
Description: Certificate Services Client automatically manages digital 
   identities such as Certificates, Keys and Credentials for the users and the 
   machine, enabling enrollment, roaming and other services.
Actions: Custom handler
Triggers: 
   Custom event filter
   When the task is created or modified
   At system startup
Conditions: 
History:
   ...
   Information 8:21:11 Task completed
   Information 8:21:11 Action completed
   Information 8:21:10 Action Started
   Information 8:21:10 Task Started
   Information 8:21:01 Task triggered by computer startup
   ...

It is recommended to keep "\Microsoft\Windows\CertificateServicesClient\SystemTask" enabled as a scheduled task.

⇒ "UserTask" Scheduled Task on Windows 7

⇐ "UninstallDeviceTask" Scheduled Task on Windows 7

⇑ System Scheduled Tasks on Windows 7

⇑⇑ Windows 7 Scheduled Tasks