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ERROR_SXS_MANIFEST_TOO_BIG
ERROR_SXS_MANIFEST_TOO_BIG — The Side-by-Side manifest exceeds the maximum size supported by Windows.
Windows rejected the manifest because it is larger than the activation subsystem allows. This is generally a packaging or manifest-generation issue rather than a missing dependency.
Reduce redundant metadata or split deployment structure where appropriate; do not compress or truncate the file just to make the loader accept it.
What to check
- Verify which manifest path and generated size were reported by sxstrace.
- Remove duplicate declarations and generated unused dependencies from the manifest source.
- Test the rebuilt package on a clean machine to ensure its dependency closure still resolves.
Microsoft: Application manifests
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