You need a server, either 2000 or 2003 will do. If you don't have one or can't buy one then you're out of luck.
Sorry about that. Looks like it only works on Active Directory domains, not workgroups.
Create a security group and add the needed people to it. Download this: http://www.microsoft.com/windowsserver2003/gpmc/default.mspx...
Edit the "/noexecute=optin" portion in your boot.ini file: http://www.microsoft.com/technet/sysinternals/information/bootini.mspx I set...
What features do you expect to get out of Pro that you aren't getting in home? Why do you want to upgrade? No point in spending money if you don't...
This is what I use to run commands remotely: http://www.microsoft.com/technet/sysinternals/Security/PsExec.mspx
A brief description of SharePoint can be found here: http://en.wikipedia.org/wiki/SharePoint If you don't use SharePoint you shouldn't need...
BSOD on Vista can be from a number of reasons such as incompatible AV software. Paste what you've found in the event log.
Do you connect to a SharePoint server at all?
Put the VPN users computer on the Domain. Allow using cached credentials for that computer also.
Separate names with a comma.
