Windows Update fails because BITS is disabled by policy

The problem: Windows Update cannot download updates because BITS is disabled or blocked by policy.

Symptoms: Updates won't download; download stays at 0%; BITS service cannot start; errors in Event Viewer for BITS.

Likely cause: BITS startup type disabled by GPO/MDM, or a hardening/tuning tool disabled BITS.

Category: Windows Update · Difficulty: Moderate · Windows: Both

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