WebApplicationFirewallPolicy validation failed. Subscriptions without DeveloperPreview flag enabled cannot use Microsoft_DefaultRuleSet_2.2

Justin M. Szwed 0 Reputation points
2025-12-04T03:47:01.5833333+00:00

Attempting to create or update WAF premium policy with DRS 2.2 and I get the error in title. I cannot find what feature to register either in the portal or in powershell/CLI - Nothing references DefaultRuleSet.

Azure Web Application Firewall
{count} votes

Your answer

Answers can be marked as 'Accepted' by the question author and 'Recommended' by moderators, which helps users know the answer solved the author's problem.