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DROP CRYPTOGRAPHIC PROVIDER (Transact-SQL)

Drops a cryptographic provider within SQL Server.

Applies to: SQL Server (SQL Server 2008 through current version).

Topic link icon Transact-SQL Syntax Conventions

DROP CRYPTOGRAPHIC PROVIDER provider_name

provider_name

Is the name of the Extensible Key Management provider.

To delete an Extensible Key Management (EKM) provider, all sessions that use the provider must be stopped.

An EKM provider can only be dropped if there are no credentials mapped to it.

If there are keys mapped to an EKM provider when it is dropped the GUIDs for the keys remain stored in SQL Server. If a provider is created later with the same key GUIDs, the keys will be reused.

Requires CONTROL permission on the symmetric key.

The following example drops a cryptographic provider called SecurityProvider.

/* First, disable provider to perform the upgrade.
This will terminate all open cryptographic sessions. */
ALTER CRYPTOGRAPHIC PROVIDER SecurityProvider 
SET ENABLED = OFF;
GO
/* Drop the provider. */
DROP CRYPTOGRAPHIC PROVIDER SecurityProvider;
GO
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