Virus scan server &1 is not active (default setting)

What causes this issue?

Virus scan server &V1& is currently not active.
This corresponds to the default setting in Customizing and is therefore
the desired status.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.