Location-based bandwidth management for Zoom VDI

Requirements for using location-based bandwidth management

• Account owner or admin privileges
• VDI environment and deployment

Requirements for using location-based bandwidth management

• Account owner or admin privileges
• VDI environment and deployment

Using location-based bandwidth management

Key terminology

• User profile location: The user's online profile location, retrieved from the Zoom backend. Stored as a numeric identifier (for example, profile location 12345 maps to subkey 12345). This is the only signal used to decide whether the new per-location bandwidth path applies.
• Thin-client device location (IsInOffice): Read from the local bandwidth_config.ini on the thin client. Used only for handling legacy bandwidth limit values when no location subkey match exists.

Decision workflow for location-based bandwidth management

The VDI bandwidth decision tree follows the steps below. The location-aware path is the new functionality introduced by this feature; the remaining steps preserve existing client behavior.

1. Is the VDI client in fallback mode?
   • Yes: Fallback path (legacy non-VDI behavior):
     • MSI policy IgnoreBandwidthLimits = 1? → No bandwidth limits applied.
     • Otherwise, check whether web bandwidth settings are enabled for the account:
       • Enabled: Use web bandwidth settings.
       • Disabled: Use MSI bandwidth settings.
   • No: Continue to step 2.
2. Is the VDI policy GPOBandwidthOverrideWeb = 1?
   • No: Look for VDI-specific bandwidth values under HKLM\SOFTWARE\Policies\Zoom\Zoom Meetings\VDI\bandwidth.
     • Not present: Fall through to the web/MSI bandwidth path (same as fallback step 1).
   • Yes: Continue to step 3.
3. Do VDI-specific bandwidth values exist under HKLM\SOFTWARE\Policies\Zoom\Zoom Meetings\VDI\bandwidth?
   • No: Follow normal client logic (existing behavior, no VDI override applied).
   • Yes: Continue to step 4.
4. Does the user's profile location match any location configured under GPO?
   • Yes: Use this location's bandwidth values (per-location values under HKLM\SOFTWARE\Policies\Zoom\Zoom Meetings\VDI\bandwidth\<location_id>).
   • No: Continue to step 5 (legacy office/home fallback).
5. On the thin client, does IsInOffice = 1 exist in the install-folder .ini?
   • Yes: Use VDI GPO bandwidth settings for Office (legacy office values).
   • No: Use VDI GPO bandwidth settings for Home (legacy home values).

Registry lookup for per-location bandwidth

When "Does the user's profile location match any location configured under GPO?" is evaluated as Yes, the client computes the registry path by matching the user's profile location to the corresponding subkey directly under bandwidth:

HKLM\SOFTWARE\Policies\Zoom\Zoom Meetings\VDI\bandwidth\<location_id>

If a matching entry exists, the client applies that bandwidth configuration. If no matching subkey is found, the client falls back to the legacy office/home decision (step 5).

Thin-client IsInOffice fallback

When no profile-location match is found (step 5), the client reads IsInOffice from the thin-client configuration file:

[DeviceLocation]
IsInOffice=1

• IsInOffice=1: Apply legacy Office registry values.
• IsInOffice=0 or undefined: Apply legacy Home registry values.

Example configurations for location-based bandwidth management

New (per-location)

To set the bandwidth limit for ICA, UDP, and/or Direct mode for a specific office location, apply the following bandwidth settings in policy. Replace <location_id> with the numeric profile location identifier for the target office.

ICA mode

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Zoom\Zoom Meetings\VDI\bandwidth\<location_id>\ica
Up=dword:00000500
Down=dword:00000400

UDP mode

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Zoom\Zoom Meetings\VDI\bandwidth\<location_id>\udp
Up=dword:00000300
Down=dword:00000200

Direct mode

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Zoom\Zoom Meetings\VDI\bandwidth\<location_id>\direct
Up=dword:00000300
Down=dword:00000200

Existing (legacy office/home)

To set the bandwidth limit for ICA, UDP, and/or Direct mode when the user is in the office (IsInOffice=1), apply the following bandwidth settings in policy:

Office - ICA mode

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Zoom\Zoom Meetings\VDI\bandwidth\office\ica
Up=dword:00000300
Down=dword:00000200

Office - UDP mode

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Zoom\Zoom Meetings\VDI\bandwidth\office\udp
Up=dword:00000320
Down=dword:00000120

Office - Direct mode

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Zoom\Zoom Meetings\VDI\bandwidth\office\direct
Up=dword:00000220
Down=dword:00000110

To set the bandwidth limit for ICA, UDP, and/or Direct mode when the user is not in the office (IsInOffice=0 or not defined in the bandwidth_config.ini file), apply the following bandwidth settings in policy:

Home - ICA mode

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Zoom\Zoom Meetings\VDI\bandwidth\home\ica
Up=dword:00000300
Down=dword:00000200

Home - UDP mode

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Zoom\Zoom Meetings\VDI\bandwidth\home\udp
Up=dword:00000320
Down=dword:00000120

Home - Direct mode

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Zoom\Zoom Meetings\VDI\bandwidth\home\direct
Up=dword:00000220
Down=dword:00000110