I am currently developing an app for Teams and have set up accounts in the Azure portal, joined the developer program, and accessed the Teams developer portal.

However, when attempting to log in to the Teams admin center, an error occurs:

​I am currently developing an app for Teams and have set up accounts in the Azure portal, joined the developer program, and accessed the Teams developer portal.However, when attempting to log in to the Teams admin center, an error occurs: Internal calls to PLS Service have failed. We can’t find the tenant region for tenantId. Please try again later to join the developer program, the message indicated: `Thank you for joining. You don’t currently qualify for a Microsoft 365 Developer Program sandbox subscription.`. Research revealed that Microsoft discontinued the free subscription.A subscription is needed to access the Microsoft Teams admin center and for Teams app development. I can see various Microsoft 365 plans for businesses like Basic and Standard, as well as licenses available in the Microsoft 365 admin center. I am considering the Microsoft Teams Essentials license. However, there is confusion regarding whether to buy a subscription or a specific license, especially since active users in the 365 admin center are showing as unlicensed.Could anyone advise on which plan or license is necessary for Teams app development?  Read More

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