To remove the additional IP from the repository and your license count through a manual process you will need to target the desired IPs/DNS in a scan with a specific configuration. SecurityCenter needs to identify those hosts as inactive, meaning they provide no results from a scan that targets them. To accomplish that you will need to do the following:
- You will need to run a scan against those addresses, however you will have to create a policy that you know will not return any data for those addresses.
- Click on 'Scans' and then on 'Policies'
- Click on 'Add'
- Select the 'Advanced Scan' template
- Name the policy properly.
- In the Host Discovery tab uncheck 'Ping the remote host' and in the 'Port Scanning' tab make sure to uncheck all port scanning options. That will make Security Center runs the plugins against the targets without pinging them first.
- Click on the 'Plugins' tab and select a plugin family that you know will not return any results and has more than 100 plugins in it. (Usually t