Replication of RDS snapshots may fail with "Cross region snapshot copy is not supported for TDE encrypted snapshots"
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As of June 13 2007, AWS has fixed this issue: https://aws.amazon.com/about-aws/whats-new/2017/06/amazon-rds-supports-cross-region-copying-of-tde-snapshots/
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Replication of RDS snapshots may fail with the "Cross region snapshot copy is not supported for TDE encrypted snapshots" message in the CPM logs:
<Message>Cross region snapshot copy is not supported for TDE encrypted snapshots</Message>
This message is pointing to 2 possible reasons for replication failure:
1) AWS doesn't support copying across regions a snapshot from a TDE SQL Server instance.
2) AWS currently doesn't support copying across regions a snapshot of multi-AZ (MAZ) RDS SQL server.
Both of these limitations are documented here: http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_CopySnapshot.html