Perform the following in the Azure Console:

1. Go to Key vaults
2. For each Key vault, click on Secrets.
3. Under the Settings section, Make sure Enabled? is set to Yes
4. Set an appropriate EXPIRATION DATE on all keys.

Perform the following in Azure Command Line Interface 2.0:

Use the below command to set EXPIRATION DATE on the all secrets.

az keyvault secret set-attributes –name <secretName> –vault-name <vaultName> –expires Y-m-d’ T ‘H:M:S’ Z ‘

References:

1. https://docs.microsoft.com/en-us/azure/key-vault/key-vault-whatis
2. https://docs.microsoft.com/en-us/rest/api/keyvault/about-keys–secrets-and-certificates#key-vault-keys