Replication

SRR

Replicated

Category	Replicated	Notes
New objects (after rule enabled)	Yes	Only objects created after replication is configured
Object data	Yes	Entire object contents
Object metadata	Yes	User-defined metadata
Object tags	Yes	Must enable tag replication
Object ACLs	Yes	Copied to destination
Object versions	Yes	Versioning required on both buckets
Delete markers	Optional	Requires Delete Marker Replication
Object Lock settings	Yes	If destination bucket supports Object Lock
SSE-KMS encrypted objects	Yes	Proper KMS permissions required

Not replicated

Category	Replicated	Notes
Existing objects (before rule)	No	Use S3 Batch Replication
Bucket policies	No	Bucket-level configuration
Bucket ACLs	No	Not object-level
Bucket versioning settings	No	Must be enabled separately
Lifecycle rules	No	Configured per bucket
Bucket logging	No	Not replicated
Replication rules	No	Must be created manually
Inventory configuration	No	Not replicated

CRR

Replicated

Category	Replicated	Notes
New objects (after rule enabled)	Yes	Only post-rule objects
Object data	Yes	Full object
Object metadata	Yes	Includes user metadata
Object tags	Yes	Must be enabled
Object ACLs	Yes	Copied
Object versions	Yes	Versioning required
Delete markers	Optional	Must be explicitly enabled
Object Lock settings	Yes	Legal hold & compliance supported
SSE-KMS encrypted objects	Yes	Source & destination KMS access needed
Replication Time Control (RTC)	Optional	SLA-backed replication

Not Replicated

Category	Replicated	Notes
Existing objects (before rule)	No	Requires Batch Replication
Bucket policies	No	Must be recreated manually
Bucket ACLs	No	Not object-level
Bucket versioning configuration	No	Must be enabled separately
Lifecycle rules	No	Independent per region
Bucket logging	No	Region-specific
Replication rules	No	One-directional only
Region-specific settings	No	Encryption, metrics, logging
Replication back to source	No	No bidirectional replication