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Limits

Last Updated: Jun 20, 2018

Region-specific

KMS is a region-based service. Each user’s KMS resources and limits are region-specific. For more information about supported regions, see Request structure.

CMK limit

A user can create up to 200 CMKs in each region.

If you want to create more CMKs, please open a ticket.

Alias limit

A user can create up to 300 aliases in each region.

If you want to create more alias, please open a ticket.

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