**To modify a replication group** The following ``modify-replication-group`` disables Multi-AZ using the Redis engine. :: aws elasticache modify-replication-group \ --replication-group-id test-cluster \ --no-multi-az-enabled \ --apply-immediately Output :: { "ReplicationGroup": { "ReplicationGroupId": "test-cluster", "Description": "test-cluster", "GlobalReplicationGroupInfo": { "GlobalReplicationGroupId": "sgaui-pat-group", "GlobalReplicationGroupMemberRole": "PRIMARY" }, "Status": "available", "PendingModifiedValues": {}, "MemberClusters": [ "test-cluster-001", "test-cluster-002", "test-cluster-003" ], "NodeGroups": [ { "NodeGroupId": "0001", "Status": "available", "PrimaryEndpoint": { "Address": "test-cluster.g2xbih.ng.0001.usw2.cache.amazonaws.com", "Port": 6379 }, "ReaderEndpoint": { "Address": "test-cluster-ro.g2xbih.ng.0001.usw2.cache.amazonaws.com", "Port": 6379 }, "NodeGroupMembers": [ { "CacheClusterId": "test-cluster-001", "CacheNodeId": "0001", "ReadEndpoint": { "Address": "test-cluster-001.g2xbih.0001.usw2.cache.amazonaws.com", "Port": 6379 }, "PreferredAvailabilityZone": "us-west-2c", "CurrentRole": "primary" }, { "CacheClusterId": "test-cluster-002", "CacheNodeId": "0001", "ReadEndpoint": { "Address": "test-cluster-002.g2xbih.0001.usw2.cache.amazonaws.com", "Port": 6379 }, "PreferredAvailabilityZone": "us-west-2b", "CurrentRole": "replica" }, { "CacheClusterId": "test-cluster-003", "CacheNodeId": "0001", "ReadEndpoint": { "Address": "test-cluster-003.g2xbih.0001.usw2.cache.amazonaws.com", "Port": 6379 }, "PreferredAvailabilityZone": "us-west-2a", "CurrentRole": "replica" } ] } ], "SnapshottingClusterId": "test-cluster-002", "AutomaticFailover": "enabled", "MultiAZ": "disabled", "SnapshotRetentionLimit": 1, "SnapshotWindow": "08:00-09:00", "ClusterEnabled": false, "CacheNodeType": "cache.r5.large", "TransitEncryptionEnabled": false, "AtRestEncryptionEnabled": false } } For more information, see `Modifying a Replication Group <https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/Replication.Modify.html>`__ in the *Elasticache User Guide*.