Unable to deploy webapplication in all regions expect east us?

Question

Answer 1

As indicated in the error message > "this region has quota of 0 premium v2 instances for your subscription" this sounds like the quota allocated is not sufficient for your your subscription in the region where you have tried the deployment.
In-order to check Virtual machines quota allocated in region, you can run the following command

az vm list-usage --location "West US" --output table  

If you see the current value is not sufficient, raise a quota increment request to Azure support. The following article shows, how you can initiate a quota increment request
error-resource-quota

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Answer 2

@Rame Gowda Thank you for reaching out to Microsoft Q&A. Apologize for the inconvenience caused on this.

Adding @Manu Philip suggestion, based on the shared information, I had looked at the backend logs and get to know that you are using Free trial subscription.

In Free trial subscription, you will be allotted with 4 cores vCPU and also not all regions are enabled by default for Azure free trial account due to region constrains or capacity constraints.

• Region constrains: Those regions which are high in demand and are available only on request basis/business requirement (Justification). These regions are enabled for Azure free trial account.
• Capacity constrains: These regions again are high in demand and are not available due to capacity issues. but can be enabled through support.

Feel Free to reach back to me if you have any further questions on this.