EncryptionAtRestOptions - Amazon OpenSearch Service
This documentation is a draft for private preview for regions in the AWS European Sovereign Cloud. Documentation content will continue to evolve. Published: December 30, 2025.

EncryptionAtRestOptions

Specifies whether the domain should encrypt data at rest, and if so, the Key Management Service (KMS) key to use. Can only be used when creating a new domain or enabling encryption at rest for the first time on an existing domain. You can't modify this parameter after it's already been specified.

Contents

Enabled

True to enable encryption at rest.

Type: Boolean

Required: No

KmsKeyId

The KMS key ID. Takes the form 1a2a3a4-1a2a-3a4a-5a6a-1a2a3a4a5a6a.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 500.

Pattern: .*

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: