The primary server hosting the keys is temporarily offline.
Note: This error is common when new copy protection schemes are introduced and the local keys are outdated. makemkv automatic hk downloading is disabled or failed
This is an advanced workaround that forces your computer to find the key server. It is particularly useful if you cannot change your router's settings. The primary server hosting the keys is temporarily offline
If the quick fixes don't work, you may need to manually intervene or adjust deeper settings: Automatic HK download disabled or failed - www.makemkv.com makemkv automatic hk downloading is disabled or failed
The MakeMKV community maintains a master list of hashed keys for thousands of UHD discs.
You may need to add an exception to your threat protection software to allow traffic from that server.