Hi @Pat Fennessy
Greetings & Welcome to the Microsoft Q&A forum! Thank you for sharing your query.
Thank you for bringing this important issue to our attention. We understand your concern regarding the use of the same error code for both protected and public labels during a tenant mismatch in Microsoft Purview. You're absolutely right that distinguishing between these scenarios is crucial for maintaining security, ensuring compliance, and facilitating effective troubleshooting.
Appreciate if you could share the feedback on our feedback channel. Which would be open for the user community to upvote & comment on. This allows our product teams to effectively prioritize your request against our existing feature backlog and gives insight into the potential impact of implementing the suggested feature.
Hope this helps. Do let us know if you have any further queries.
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