Veeam Support Knowledge Base
Network mapping does not work for Hyper-V replicas in Veeam Cloud Connect after renaming Hyper-V virtual switch

Network mapping does not work for Hyper-V replicas in Veeam Cloud Connect after renaming Hyper-V virtual switch

KB ID:	4001
Product:	Veeam Backup & Replication \| 10 \| 11 \| 12 \| 12.1 \| 12.2 \| 12.3 \| 12.3.1 Veeam Cloud Connect \| 10 \| 11 \| 12 \| 12.2 \| 12.3
Published:	2020-08-13
Last Modified:	2024-06-28

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Article Applicability

This article relates to a known issue documented in the Veeam Cloud Connect User Guide:

After you subscribe a tenant to a Hyper-V hardware plan, you cannot rename the virtual switch in Microsoft Hyper-V infrastructure that is used by VM replicas. If you rename the virtual switch, replication jobs targeted at the cloud host that use the renamed virtual switch will fail.

Challenge

After Veeam Cloud Connect service provider renames a Hyper-V virtual switch used by a hardware plan and updates hardware plan settings, network mapping and replica failover stop working for this hardware plan. Replication jobs do not generate any errors.

Cause

The operation is not supported by the product, see Hyper-V hardware plan limitations.

Solution

Primary Solution

Create a new hardware plan with the intended name and subscribe affected tenants to this hardware plan.

For details, see the Allocate Replication Resources section in the Veeam Cloud Connect Guide.

Alternative Solution

Follow these steps to rename the virtual switch of the existing hardware plan in the Veeam Cloud Connect database:

Install SQL Server Management Studio.
Connect to the Veeam instance and create a backup of the Veeam database. For details, see https://www.veeam.com/kb1471.
Click the New Query button and paste the following script in the text window:

DECLARE @old_switch as varchar(50), @new_switch as varchar(50)
set @old_switch = 'OLD_SWITCH_NAME'
set @new_switch = 'NEW_SWITCH_NAME'
update [dbo].[Backup.Model.HvHardwareQuotaNetworks]
set switchName = @new_switch,
name = REPLACE(name, @old_switch, @new_switch)
where switchName = @old_switch
                
            

Replace 'OLD_SWITCH_NAME' and 'NEW_SWITCH_NAME' with the original name and new name of the affected virtual switch and click Execute.
Run the affected replicated job once.

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