Hi Rob Russell,
Welcome to Microsoft Q&A forum.
Adding additionally to @Marcin, here are some steps you can take to troubleshoot and resolve this issue:
1.Azure Free Account:
Sign up at [Azure Free Account] (https://azure.microsoft.com/free/). https://azure.microsoft.com/free/
Get $200 credit for 30 days, 12 months of free popular services, and access to 25+ always free services.
2.Microsoft Learn Sandbox:
Use free temporary Azure environments provided in Microsoft Learn modules.
Visit [Microsoft Learn] (https://learn.microsoft.com/en-us/azure/?product=popular) and look for Azure modules with hands-on labs and sandboxes.
3.Azure for Students:
If you're a student, sign up for [Azure for Students] (https://azure.microsoft.com/en-us/free/students/)"https://azure.microsoft.com/free/students/)") to get free access without a credit card.
If the information is helpful, please accept the answer by clicking the "Upvote" and "Accept Answer" on the post. If you are still facing any issue, please let us know in the comments. We are glad to help you.
Thank you.