When attempting to activate your license key in the Malwarebytes Management Console, the following error appears:
Unable to contact server to verify your license key. Please check your connection.
Your firewall, proxy settings, network configuration or another antivirus installed application is preventing the Management Console from contacting the activation server, https://keystone.mwbsys.com.
You will need to verify your network meets the following communication criteria. After completing each step, test your server's connection, by opening a browser, and going to https://keystone.mwbsys.com. If your server is configured properly, keystone.mwbsys.com returns the following status:
Continue to the next step, if you cannot establish a connection to the activation server.
- Add the following exceptions to your firewall and proxy settings:
- port 443 outbound
- Add https://keystone.mwbsys.com as a Trusted Site in Internet Explorer.
Refer to Microsoft's TechNet article, Internet Explorer: Enhanced Security Configuration.
- In the Windows Services Manager, restart Malwarebytes Management Service.
- If you have another antivirus application installed on your server, add the Management Console to your antivirus' exclusions.
To see a list of exclusions required for the Management Console, refer to the article Malwarebytes Endpoint Security exclusions list.