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How to Migrate Tenant Replicas From a Standard Switch (vSS) to a Distributed Switch (vDS)

KB ID: 3246
Published: 2020-07-30
Last Modified: 2026-04-08
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Purpose

This article documents how a Veeam Cloud Service Provider (VCSP or simply SP) would migrate their tenant(s)'s replica(s) from a virtual Standard Switch (vSS) to a virtual Distributed Switch (vDS).

Solution

Part 1: Update the Hardware Plan Configuration

  1. Edit the Hardware Plan used by tenants that are being migrated to a vDS.
  2. On the Network step of the wizard, click the Configure VLAN ID range link.
Network configuration step in the New VMware Hardware Plan wizard, showing fields for specifying the number of networks and a link to configure VLAN ID range.
  1. In the VLANs Configuration window, select the current VLAN configuration and click Edit.
VLANs Configuration window displaying a host with its associated virtual switch, VLAN ranges for internet access, internal VLANs, and an Edit button to modify settings.
  1. Configure the ranges for "VLANs with Internet access" and "VLANs without Internet access" so that only pre-allocated networks remain, then click OK.
VLAN Pool Settings window for specifying ranges of VLANs with and without Internet access, showing input fields for VLAN numbers and selections for host and virtual switch.
  1. In the VLANs Configuration window, click Add and configure a new VLAN entry for the virtual Distributed Switch (vDS).
VLANs Configuration window showing a host with associated virtual switch and VLAN ranges, with the Add button highlighted to allow adding new VLAN configurations.
  1. After the VLAN Configuration section is updated, go back ot the Network step of the wizard, and increase the number of networks on the Network configuration tab. The values should be increased to match the total number of networks.
Network configuration step in the New VMware Hardware Plan wizard, showing fields to specify two networks with internet access and two internal networks.
  1. Apply the configuration settings.
    For each tenant using this hardware plan, the new vDS networks will appear on the host.

Part 2: Reconfigure Tenant Replicas on SP-Side

  1. Update each tenant replica that will be migrated to change the network adapter manually to the vDS VLAN.
    There are two ways to accomplish this:
    • In vSphere Web Client, right-click on the old VLAN and select the option: Migrate VMs to Another Net…

      or
    • In vSphere Web Client, edit the Network adapter settings for each VM. 
    Note: When the network configuration is changed, two networks will appear in the VM configuration because existing snapshots still use the old network configuration. When these snapshots are removed according to the retention policy, only the new network will be shown for the VM.

Part 3: Update Tenant(s) Replication Jobs

  1. Coordinate with Tenants to have them remap networks for their replication jobs.
    There are two ways they can accomplish this:
    • Change replication jobs settings: 
      1. Edit replication job.
      2. On the Name step, enable the select option: Network remapping
      3. On the Network step, Add a network mapping to switch jobs to the new network.

      or
    • In the tenant's Veeam Backup & Replication Console, under the Backup Infrastructure > Service Providers section, right-click on the service provider entry and select the option "Manage default gateways" to remap Windows VMs.

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