: Some DNS providers, like Cloudflare (1.1.1.1), may block the key servers. Switching to Google DNS (8.8.8.8 or 8.8.4.4) often resolves the issue.
The error in MakeMKV occurs when the software cannot download the required Hashed Keys (HK) to decrypt and rip 4K Ultra HD (UHD) Blu-ray discs . While standard Blu-rays use static keys, 4K UHD discs rely on a dynamic public database of hash keys to bypass newer AACS 2.0 protections. When MakeMKV is blocked from reaching these key servers, the decryption process fails completely.
The MakeMKV "HK" server is temporarily offline or undergoing maintenance. makemkv automatic hk downloading is disabled or failed upd
The error message is a common obstacle encountered by users attempting to rip 4K Ultra HD (UHD) Blu-ray discs. It indicates that the application cannot pull down the critical Hash Key (HK) updates required to crack newer AACS 2.0 digital rights management protections .
If you have a UniFi network and have enabled “Region Blocking” for the Russian Federation, MakeMKV will be blocked. The UI’s “exclusion” list does not work for this. You must create a custom . : Some DNS providers, like Cloudflare (1
Title: MakeMKV “Automatic HK downloading is disabled” / key update fails — need help
If you continue to experience problems, the MakeMKV forum community is an excellent resource, with dedicated discussion threads on this specific error. With the solutions provided in this guide, you should be well‑equipped to overcome this common hurdle and get back to building your digital media library. While standard Blu-rays use static keys, 4K UHD
Your computer must be able to reach the key server for this process to work. The network path to the server is often disrupted, leading to the error.
Occasional server outages or maintenance can cause temporary failures that usually resolve within 24 hours.