Private DNS resolver is unable to be assigned to a VNet in the same region

Neil Womack 0 Reputation points
2024-05-17T17:32:35.2366667+00:00

I'm setting up a private resolver for a VNet in the same geographical location (North Central US):

DNS_resolver_region

When assigning which VNet to assign the resolver to in the Azure portal, the VNet for which I need the resolver is not available as a destination even though it is also in NCUS (it is greyed out under Other Virtual Networks at the bottom):DNS_resolver_available_vnets

The VNet is also in NCUS:

DNS_resolver_vnet_region

Is there a reason this particular VNet is unavailable?

Azure DNS
Azure DNS
An Azure service that enables hosting Domain Name System (DNS) domains in Azure.
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  1. ChaitanyaNaykodi-MSFT 26,706 Reputation points Microsoft Employee
    2024-05-17T20:28:15.8066667+00:00

    @Neil Womack

    Thank you for posting a detailed question here.

    I understand you are unable to link the desired VNET to the Azure Private DNS resolver as it is greyed up in the selection window.

    If already not gone through just adding the link for Virtual network restrictions for Azure DNS Private Resolver, just in case if you are hitting any restriction here.

    If above is not true you can try steps mentioned below and see if that helps in resolving the issue

    • Try using the preview portal link and see if this fixes the issue
    • Try using a different browser and see if that helps in getting rid of the issue.
    • In order to help isolate the issue, you can try linking the VNET using Azure PowerShell and if there is no error observed then the issue is likely with Azure Portal. If you observe any error please let us know as it will help us further troubleshoot this issue.
    • If PowerShell method above was successful, then the issue is likely with Azure Portal. As I was unable to reproduce issue on my end, I think a support request will be required in this case where a support engineer will request browser trace to help further troubleshoot this issue.

    Hope this helps. Please let me know if you have any additional questions. Thank you.

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