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ERROR_NETWORK_ACCESS_DENIED_EDP
Enterprise data-protection policy blocks this network destination
ERROR_NETWORK_ACCESS_DENIED_EDP is a Win32 system result. The current data or application identity is governed by enterprise data-protection rules, and the destination is not permitted for that protected context. The denial is intentional and may occur even when ordinary network credentials are valid.
What the result means
Windows Information Protection policy denied access to the network resource. For ERROR_NETWORK_ACCESS_DENIED_EDP, keep the symbolic name, numeric value, and failing operation together in diagnostics; that combination distinguishes the exact failure path from nearby system results.
What to check
- Determine whether the source data is enterprise-protected and which identity owns it.
- Verify whether the destination domain, share, or endpoint is classified as an allowed enterprise resource.
- Review the effective Windows Information Protection or related data-loss-prevention policy.
- Check whether copying to a personal context would violate organizational rules.
Recommended handling
Keep protected data in an approved destination or ask an administrator to review policy. Do not advise users to remove protection, rename files, or use an alternate channel to bypass the restriction.
Developer notes
Present a policy-specific explanation rather than a password prompt. Preserve source and destination classification in diagnostics without logging protected content. When a Win32 API reports ERROR_NETWORK_ACCESS_DENIED_EDP, capture GetLastError() immediately; subsequent cleanup, formatting, or logging calls can replace the thread-local value.
References
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