This could be due to specific access requirements or policies set up by the portal administrator. Here are a few potential reasons for this - Device-specific access policies. The portal might have conditional access policies in place that allow access only from specific types of devices or operating systems. It's possible that the policies permit access from mobile devices but restrict access from laptops or certain browsers. This could be intentional to ensure security or compliance. In such cases, reaching out to the portal administrator or support team may help
How to sign in with my laptop on portal.azure.com

Bonface Ouma
20
Reputation points
I am trying to sign in to portal.azure using my laptop but I can't where else when I use my phone it signs in meaning I can access the portal via the phone browser but not laptop browsers. What might be the problem?