-> For Azure Key Vault, ensure that the application accessing the Keyvault service should be running on a platform that supports TLS 1.2 or recent version. If the application is dependent on .NET Framework, it should be updated as well. You can also make the registry changes mentioned in [this article](/troubleshoot/azure/active-directory/enable-support-tls-environment) to explicitly enable the use of TLS 1.2 at OS level and for .NET Framework. To meet with compliance obligations and to improve security posture, Key Vault connections via TLS 1.0 & 1.1 are considered a security risk, and any connections using old TLS protocols will be disallowed in 2023. You can monitor TLS version used by clients by monitoring Key Vault logs with sample Kusto query [here](monitor-key-vault.md#sample-kusto-queries).
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