First of all, this is a duplication of a topic on stackoverflow, but like it seems that in stackoverflow a system-bug is a user-bad-practice instead of a oportunity for clear a bug ...
(http://stackoverflow.com/questions/40915247/bug-azure-resource-groups-validation-rules-not-working?answertab=active#tab-top)
[Secondly, it is very sad that BizSpark susbcription do not have any technical support, even to inform a error like this :-((( ]
Ok, well , the error, that occurs twice creating a VirtualMachine, so replicated
{"error": {"code": "InvalidParameter","target": "resourceGroupName","message": "The entity name 'resourceGroupName' is invalid according to its validation rule: ^[^_\\W][\\w-._]{0,79}(?<![-.])$."
}
}The reason, it is because my resource group is called _ReGr_MyName, but IT ALREADY EXIST !!!(indeed the rest of resources, like Public-Ip, Storage Accounts, etc, are already under that resource group)
so seems like validation rules are inconsistent across different resources
I can provide the Operation-Id or the Tracking-ID if necesary
But please, solve this short of issues, Azure should be an stable system