# Advanced SCEP Settings

Simple Certificate Enrollment Protocol (SCEP) is a communication protocol that leverages existing technology by using PKCS #7 and PKCS #10. It is supported in client and CA implementations.

### To Configure SCEP

1. Enter the following information:

Polling Interval: Select the polling interval (must be greater than or equal to 15 minutes or 0 for no polling).

Certificate Authentication: Select Auto to have the certificate automatically installed upon reception, or Manual to go through the steps of information verification and installation yourself.

Certificate Renew: (zero to 30) days before certificate expiration.

2. Click Return to return to the previous configuration screen.