A stack import operation can import existing stacks into new or existing stack sets, so that you can migrate existing stacks to a stack set in one operation.
For self-managed StackSets, the import operation can import stacks in the administrator account or in different target accounts and AWS Regions. For service-managed StackSets, the import operation can import any stack in the same AWS Organizations as the management account.
The following are considerations and limitations when importing stacks into StackSets:
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The import operation can import up to 10 stacks using inline stack IDs or up to 200 stacks using an Amazon S3 object.
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The
NoEchoproperty is not supported. Stacks that containNoEchowon't be imported into new stack sets through StackSet import. -
Stacks can only belong to one stack set.
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You can implement stack tags to the stack set by specifying tags explicitly as parameters in the stack import operation.
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A stack's custom parameter overrides aren't affected during the import operation.
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The StackSets quotas and stack instances apply when importing stacks. For more information about quotas, see Understand CloudFormation quotas.
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