Azure Managed Identity randomly returns 403 and then self-recovers

Question

Our production apps intermittently lose Key Vault access via Managed Identity for a few minutes, then recover automatically without any config, RBAC, or deployment changes.

Everything appears healthy from Azure’s side, which makes root cause analysis extremely difficult. Has anyone else seen this behavior?

kidd_ip · Answer

Seems expected and usually falls under transient platform / control plane / token / throttling behaviors but&nbsp;not persistent misconfiguration.
&nbsp;
Troubleshooting Azure Key Vault access policy issues | Microsoft Learn
&nbsp;
microsoft-authentication-library-for-dotnet/docs/imds_retry_based_on_errors.md at main · AzureAD/microsoft-authentication-library-for-dotnet · GitHub

Forum Discussion

Azure Managed Identity randomly returns 403 and then self-recovers

1 Reply