This content originally appeared on DEV Community and was authored by Jeffrey Bulanadi
If you're publishing .app files: New certs need secure hardware (Azure Key Vault or FIPS USB).
❌ No valid signature = No AppSource Even on-prem needs explicit skip
Options:
✔️ Azure Key Vault
✔️ .PFX (legacy)
✔️ Self-signed (local/on-prem)
Full guide: 👉 Sign an app package file — Business Central | Microsoft Learn
This content originally appeared on DEV Community and was authored by Jeffrey Bulanadi
Jeffrey Bulanadi | Sciencx (2025-11-05T01:00:02+00:00) Microsoft just updated code signing rules for #msdyn365BC. Retrieved from https://www.scien.cx/2025/11/05/microsoft-just-updated-code-signing-rules-for-msdyn365bc-2/
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