This article explains a simple command you can use to modify the "Log On Locally" rights on all the server remotely.
This article shows a quick command you can use to find the security updates on server core.
This article explains a quick tip you can use to get the list of Security Groups a user or users belong/s to.
This article explains a command which you can use to get the members of security group or security groups mentioned in a text file.
Individually change each user's default email client.