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If there is a limitation on the number of connections to the domain controller and an Approval activity is desired in the same workflow as processing a large number of operations, it is recommended to separate edirectory activities within a different workflow/ snippet from the workflow where the Approval activity is used (because approval has a default persistence mechanism). In that way, the workflow/ snippet will not have operations/ activities persisted and the workflow it will run normally without the persistency flag. Only the workflow with Approval activity will be persisted.
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