Windows error 14093 (ERROR_SXS_IDENTITY_PARSE

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The identity string is malformed. This may be due to a trailing comma, more than two unnamed attributes, missing attribute name or missing attribute value.

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ERROR_SXS_IDENTITY_DUPLICATE_ATTRIBUTE	ERROR_MALFORMED_SUBSTITUTION_STRING

ERROR_SXS_IDENTITY_PARSE_ERROR

ERROR_SXS_IDENTITY_PARSE_ERROR — An assembly identity string is malformed.

Windows could not parse an assembly identity string. Typical causes include a missing name or value, a trailing comma, or more unnamed attributes than the identity grammar allows.

The error should be fixed where the identity is created, whether in an application manifest, policy file, installer, or deployment script.

What to check

Use sxstrace to capture the complete identity string, not only the final error code.
Compare the fields with the assembly manifest that was built and tested with the component.
Avoid trimming or concatenating identity strings manually in installation scripts.

Microsoft: Assembly manifests

Microsoft: sxstrace

Microsoft: About Side-by-Side assemblies

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