Why can I not move my Web App from V2 to V3?

Vivek Bezavada 306 Reputation points Microsoft Employee
2021-03-29T18:11:50.127+00:00

I am trying to scale my Web App from PremiumV2 to P1V3, however the option in the Scale Up blade is greyed out.

I ran this command and it says that PremiumV3 should be available for the region which my app is in: az appservice list-locations --sku P1V3

If P1V3 should be available for my Web App region, then why is the option greyed out when I go to scale?

Azure App Service
Azure App Service
Azure App Service is a service used to create and deploy scalable, mission-critical web apps.
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  1. brtrach-MSFT 15,256 Reputation points Microsoft Employee
    2021-03-29T18:48:50.447+00:00

    The scale up to V3 option being greyed out is expected behavior if the underlying scale unit in which your web app is hosted does not contain any V3 instances.

    More information on scale units can be found here.

    In order to host your application on Premium V3, your application will need to be moved to a new scale unit. To do this, you will need to create a new resource group placing a V3 App Service Plan within it and then redeploy your web app to this new plan.
    An alternative option could also be to Clone your web app to the new V3 App Service Plan as opposed to redeploying.

    This document walks through the prerequisites for being able to change to a V3 tier- Configure PremiumV3 tier - Azure App Service | Microsoft Learn

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