Can we have 2 Azure Functions running under the same Premium Plan EP1?

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Can we have 2 Azure Functions running under the same Premium Plan EP1?

john john Pter 1,065

We have an Azure Function that is running for around 2 months under the Premium plan EP1:-

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now i want to create a new Azure Function that will also use the Premium plan, as follow:-

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now after creating the new Azure function, i want to remove the old one immediately.. so can i do this (to have 2 functions running under the same Premium plan for small amount of time, before removing the old one)? and will this cost us any additional charges? Thanks

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Loknathsatyasaivarma Mahali 2,665 Microsoft External Staff Moderator

Hello john john Pter,

Yes, you can have two Azure Functions running under the same Premium Plan (EP1) simultaneously. The Premium plan allows you to run multiple function apps, and they can share the same plan as long as they run on the same operating system (Windows or Linux).

However, keep in mind that while you have both functions running, you will incur costs based on the number of core seconds and memory allocated across instances. Since the Premium plan has a minimum monthly cost per active plan, having both functions running will likely increase your costs compared to running just one.

If you remove the old function immediately after creating the new one, you will still be billed for the time both functions were active under the Premium plan.

For better understanding refer this document.

john john Pter 1,065 Reputation points

2025-04-22T21:57:27.4633333+00:00

@Loknathsatyasaivarma Mahali yes but once i remove the old one and create a new one, i will only be billed for the new azure function going forward + the period the old function was active.. i am correct?

also will stop the old function instead of deleting it has the same effect on the billing? Thanks
Loknathsatyasaivarma Mahali 2,665 Reputation points Microsoft External Staff Moderator

2025-04-22T22:19:54.78+00:00

Yes, you're correct, on Azure, you'll only be billed for the active usage period of each function, so after deleting the old one, you're billed only for the new function going forward. Simply stopping a function doesn’t fully stop billing.
Please refer FAQ section in this document for better understanding.

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Can we have 2 Azure Functions running under the same Premium Plan EP1?

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