What does Windows error code 4063 (PEERDIST_ERROR_INVALID_CONFIGURATION) mean?

PEERDIST_ERROR_INVALID_CONFIGURATION

A configuration value is invalid.

PEERDIST_ERROR_INVALID_CONFIGURATION is Win32 error 4063 (0xFDF) and belongs to Peer Distribution and BranchCache configuration validation.

Troubleshooting steps

• Record effective Group Policy, service mode, cache paths, size limits, and API options.
• Record the exact PeerDist function involved in BranchCache configuration validation.

What to verify

Verify whether one or more service, policy, cache, or publication settings are outside the accepted contract. Check effective Group Policy, service mode, cache paths, size limits, and API options; record the exact PeerDist function involved in BranchCache configuration validation.

Handling, retry, and recovery

Correct the specific setting, apply policy, and re-query PeerDist status before reopening content.

Difference from nearby codes

NOT_LICENSED reflects edition entitlement; INVALID_CONFIGURATION means the installed feature has unacceptable settings.

Practical example

A policy sets a cache percentage outside the accepted range.

References

• Microsoft: System Error Codes (4000–5999) — reference for error 4063.
• Microsoft: Peer Distribution API — reference for error 4063.
• Microsoft: peerdist.h API reference — reference for error 4063.
• Microsoft: BranchCache — reference for error 4063.