CIS Product Version 220.127.116.1174
Report on a bug which results in a not correctly working CIS in Windows 10.
You should never try to update a system to Windows 10 with CIS installed. It will not work properly. It will not execute rules properly. It won’t even protect you properly. And when you try to reinstall it over an existing (migrated) CIS installation in your Windows 10 installation, it may even destroy your Windows 10 installation beyond repair.
Before you upgrade to Windows 10 you need to uninstall CIS and install it again after the migration to Windows 10 was successful.
These are the results of several tests conducted on machines with a Windows 7 Ultimate installation which I tried to update to Windows 10 Professional.
First thing I noticed was an error message from CIS, telling me that the firewall wasn’t working correctly. Clicking on the “Fix” button seemed to repair the problem. But I soon found out that it did not.
E.g. global rules did no longer work correctly which had worked perfectly before on the original Windows 7 system.
You need to know, that if you want to check this yourself, you need to move the rule you want to test to the top of the list. This is because the rule at the top overrules other rules that are on the second, third, … position in that list.
I would be happy to receive your comments!