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Reset call admission control

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If a legacy Front End pool is hosting call admission control (CAC), you must move CAC hosting to a Skype for Business Server 2019 pool before you can remove the legacy Front End pool.

To reset CAC

  1. Open Topology Builder.

  2. Right-click the site node, and then click Edit Properties.

  3. Under Call Admission Control setting, make sure Enable Call Admission Control is selected.

  4. Under Front End pool to run call admission control (CAC), select the Skype for Business Server 2019 pool that is to host CAC, and then click OK.

  5. Publish the topology.