Requested_key_system_config_unavailable Jun 2026

Google Widevine is a popular DRM solution used by many streaming services. If the device or browser does not support Widevine or its required configurations, this error might occur.

It’s a raised by the Encrypted Media Extensions (EME) API, specifically during the requestMediaKeySystemAccess() call. The error code is 0x7b000003 (in some implementations) — but the message clearly says: requested_key_system_config_unavailable

Here is a proper review of the issue, categorized by cause, diagnosis, and resolution. Google Widevine is a popular DRM solution used

The requested key system configuration is not available. categorized by cause

The "requested_key_system_config_unavailable" error can occur due to several reasons, including:

: The DRM module (like Widevine) is outdated, crashed, or missing.

Your config requests "HW_SECURE_CODECS" or "HW_SECURE_ALL" , but the device/OS doesn’t support hardware-based secure path.