Copy the keydb.cfg file directly into your .MakeMKV data directory.
If you have installed the file but still see decryption errors, check for these common configuration issues: Double File Extensions (Windows) keydbcfg makemkv
For testing or development, KeyDB can start without any configuration file, using built‑in defaults. to define directories, ports, passwords, replication settings, and other critical parameters. Copy the keydb
By integrating keydb.cfg into MakeMKV, you can decrypt UHD 4K and standard Blu-ray discs directly without relying on a continuous internet connection to external key servers. How MakeMKV Uses Key Databases using built‑in defaults. to define directories
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