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SCEP configuration (Windows policy)

With the SCEP configuration you enable devices to request certificates from a Certificate Authority using the Simple Certificate Enrollment Protocol (SCEP).

Setting Description
Description A description for the configuration.

The web address of the Certificate Authority server.

Use the variable %_SCEPPROXYURL_% to refer to the server URL that is configured on the SCEP tab of the Sophos setup page.


The name of the entity (for example person or device) that will receive the certificate.

You can use placeholders for user data or device properties.

The value that you enter (with placeholders replaced by the actual data) must be a valid X.500 name.

For example:

  • Enter CN=%_USERNAME_% to specify a user.
  • Enter CN=%_DEVPROP(serial_number)_% to specify an Android device.
Subject Alternative Name

Optionally, configure one or more Subject Alternative Name (SAN) values.

Click Add and then enter a SAN type and a SAN value.


The web address to obtain a challenge password from the SCEP server.

Use the variable %_CACHALLENGE_% to refer to the challenge URL that is configured on the SCEP tab of the Sophos setup page.

Root certificate

The CA certificate.

Select the certificate from the list. The list contains all certificates that you have uploaded in Root certificate configurations of the current policy.

Retries The number of retries if the server sends a response of type pending.
Retry delay The number of seconds between retries.
Key size

The size of the public key in the issued certificate.

Make sure that the value matches the size configured on the SCEP server.

Certificate usage

Select what the certificate can be used for.

  • Use as digital signature: The certificate can be used as a digital signature.
  • Use for encryption: The certificate can be used for data encryption.