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Zoom Support Maintenance: 9/18/2021

Date and time: 9/18/2021 at 1PM PST for 10 hrs 30 min

We will be performing routine maintenance for Zoom Support. During this time, users may experience system delays or longer than expected wait times when contacting Zoom Support via phone, chat or web submission. All other request methods, based on your plan, will be available during this time. Please refer to for available contact options.

Affected components: Zoom Support Center

Disallowing users to sign in to unmanaged Zoom Phone appliances Follow


Account owners and admins can block users from signing in to Zoom from unmanaged Zoom Phone appliances which is enabled and allowed by default.


  • Allow users to sign-in to unmanaged Zoom Phone Appliances is set at the Device Management account level only, cannot be set for each device individually and cannot be locked.
  • More on Zoom Device Management.


  • Owner or admin privileges
  • Zoom Phone appliances


To disable Allow users to sign-in to unmanaged Zoom Phone Appliances:

  1. Sign in to the Zoom web portal as an admin with the privilege to edit account settings.
  2. In the navigation panel, click Device Management then Device List.
  3. In the upper-right corner, click the Account Settings.
  4. Verify that Allow users to sign-in to unmanaged Zoom Phone Appliances is disabled.
  5. If the setting is enabled, click the toggle to disable it. If a verification dialog displays, click Disable to verify the change.