To ensure that a user named user2-28681041 can manage the properties of the virtual machines in the RG1lod28681041 resource group using the principle of least privilege, you can follow these steps:

In the Azure portal, search for and select the resource group named RG1lod28681041.

In the left pane, select Access control (IAM).

Select Add.

In the Add role assignment pane, enter the following information:

Role: Select the appropriate role for your scenario. For example, Virtual Machine Contributor.

Assign access to: Select User, group, or service principal.

Select: Enter the name of the user you want to assign the role to. For example, user2-28681041.

Select Save.

https://docs.microsoft.com/en-us/azure/role-based-access-control/role-assignments-portal