Create a key vault using the Azure portal

From the Azure portal menu, or from the Home page, select Create a resource.
In the Search box, enter Key Vault.
From the results list, choose Key Vault.
On the Key Vault section, choose Create.
On the Create key vault section provide the following information:
- Name: A unique name is required. For this quickstart, we use Contoso-vault2.
- Subscription: Choose a subscription.
- Under Resource Group, choose Create new and enter a resource group name.
- In the Location pull-down menu, choose a location.
- Leave the other options to their defaults.
After providing the information above, select Create.

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