My apps listed under my app service plan have disappeared

Marc Arlt 25 Reputation points
2024-01-26T09:40:12.4366667+00:00

I am trying to consolidate 2 app service plans (Service Plan A has 13 apps on it and Service Plan B has 8 apps). They were on different resources so as a first step I moved Plan B onto the same resource group as plan A. Took a few minutes but it was moved successfully. My first problem: when I go onto Plan B, I see there are 8 apps on it, but when I click on apps there is nothing there? When I look at an app that is running on Plan B, it is still listed as being hosted on that app service plan which is expected since I haven't changed it. Second problem: I try and move that app to Plan A, but it is not listed under available options. I am only offered the opportunity to create a new app service plan. Plan A and Plan B are located in the same geo location, and both on the same resource. Why can't I change it? Can anyone help?

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 17,741 Reputation points Microsoft Employee Moderator
    2024-01-28T04:23:23.6966667+00:00

    @Marc Arlt TP is correct, the underlying webspaces are different so you won't be able to move them around using the default tools. In these cases, you'll need to manually deploy the web apps into a single ASP.

    I would advise against this though. Trying to run 21 web apps on a single ASP could start to push the limits. Each web app requires its own overhead processes. Also, if you use deployment slots, each of those are technically a web app with their own overhead processes so you may have more than 21 web apps. Each web app is different so there is no guidance on the maximum number of web apps but when I was a support engineer 20 was a common number for an S1 tier web app to start having performance issues and requiring the customer to move a few web apps into a second ASP to avoid availability issues due to resources being stressed.

    My point is that you might be taking on an expensive endeavor in terms of time only to have to undo it depending on the size of your ASP instance and your web apps resource requirements. I would ensure you do significant research to understand how both your current ASP's are behaving in terms of resources before moving forward.

    I hope this adds some further insights into what TP has already shared. Please let us know if you have any further questions or concerns.

    Also, we noticed that you provided a low survey rating. Please note that TP is correct and we ask that you provide surveys based on your experience on here provided by the community or Microsoft Engineers. This is not an appropriate place to provide survey ratings for product issues or shortcomings. Please consider taking a new survey that recognizes the time the community has taken to assist you and provide clarity on your matter. We are here to assist you so if you have more questions, let us know by replying to this message. Our goal is ensure all of your questions are answered.

    1 person found this answer helpful.

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  1. TP 125.8K Reputation points Volunteer Moderator
    2024-01-26T10:00:33.83+00:00

    Hi Marc,

    In order to consolidate you will need to create a new resource group in same region and redeploy all of apps/settings to it. When creating the first one (which will create new App Service Plan) you should select the SKU you need.

    Scale up from an unsupported resource group and region combination

    https://learn.microsoft.com/en-us/azure/app-service/app-service-configure-premium-tier#scale-up-from-an-unsupported-resource-group-and-region-combination

    Please click Accept Answer and upvote if the above was helpful.

    Thanks.

    -TP


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