Mutiple users need to remote control their pc's from outside

I need to allow multiple users to come in from home and remote control their desktops on a daily basis.  Remote control works as long as you are only trying one pc using port forwarding.  Is there some way through terminal services or perhaps a server based software that would allow this to happen?  Note:  All stations are using some flavor of Windows XP.

Thanks
tcforceAsked:
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Jay_Jay70Commented:
depends how much you are looking at spending..

we have been using the following program flawlessly

http://www.checkpoint.com/products/index.html


i wasnt aware that port forwarding only allowed one pc at a time.... frustrating.....
TheCleanerCommented:
You need to setup a VPN and allow these users to connect to the VPN, then run RDP to remote into their workstations at the office.

Port forwarding, etc. shouldn't even come into play....

If you need ideas on setting up the VPN, see here:

http://www.experts-exchange.com/Networking/Microsoft_Network/Q_21779227.html
Lee W, MVPTechnology and Business Process AdvisorCommented:
I concur, VPN is the better way - more secure.  You COULD port forward, but then anyone could potentially hack your system.

Port forwarding can only forward one port to one address - you can't do a one-to-many relationship.  What can be done to work around it, if you decide to throw caution to the wind (again, not recommended), is to configure your router, if it supports this, to forward different external ports to different IPs at the same port.  For example:

forward ---> to
Ext.IP.Address:4020 --> 192.168.1.20:3389
Ext.IP.Address:4021 --> 192.168.1.21:3389
Ext.IP.Address:4022 --> 192.168.1.22:3389
Ext.IP.Address:4023 --> 192.168.1.23:3389

(Not all routers support this, especially the cheap ones you might have bought at staples or CompUSA).

Another alternative is to modify the listening port of Terminal Services (I prefer the above methods, but as a LAST resort...)
http://support.microsoft.com/?id=187623
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Jay_Jay70Commented:
checkpoint has been a n excellent VPN client for us but it comes down to $$$$$
tillisoncCommented:
Question:
1) What is your hardware that you currently have?
   a) Firewall
   b) Router
   c) Internet Connection Speed

2) What are the security requirements for accessing these systems and the network?

3) How are they specifically connection now?

4) What is the number of users needing to connect at single point to the remote system(s)?
    a) 5 users accessing the remote network at a single instance
    b) Hundreds of users connecting at a single instance

5) Are they connecting to their individual workstation? Or is it one workstation for multiple users?

Lets start here, then we can work back to a suitable solution.
tcforceAuthor Commented:
Sounds like the VPN might be the way to go.  The system will need upgrading I believe to do this as the router is a simple Linksys cable/dsl router.  Outside of windows firewall, none is running.  The entire network consists of 11 stations with no server.  I am proposing a Win2003 server to start with and then go from there.  Security at the site is low so only outside intruders really needs to be guarded against.  Each user will connect from home and then access their desktop at the office so multiple pc's at the office.  Still we are only talking about 4-5 outside connections trying to come in.  Biggest concern is high graphics usage.
TheCleanerCommented:
With the entire network being only 11 workstations, I would suggest getting a server preloaded with Windows 2003 Small Business Server Premium.

http://www.microsoft.com/windowsserver2003/sbs/evaluation/features/default.mspx

See there, it would give you ISA 2004 built in, which is very sufficient for that size of a business, and will allow for simple configuration and setup of the VPN.

The costs will be slightly more than Windows 2003 server by itself, but look at all the other features/applications you get!

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Jay_Jay70Commented:
you wont have issues with only that small number of users. we have many many connections going in constantly and have no issues - however we did set a policy that there must be a broadband connection from home otherwise its just not worth it

SBS sounds like the way to go for sure if you are upgrading the entire system...
tcforceAuthor Commented:
Thanks for all the excellent responses.  I have decided to go with SBS.
TheCleanerCommented:
Thanks for the points...happy to help...(other EE experts gave good advice too)
tcforceAuthor Commented:
I agree, all the advice was great, I was going to split the points but forgot how.
TheCleanerCommented:
You can post a comment in the support channel to reopen the question.  Then you click "Split Points" at the bottom instead of choosing a single person first.
tcforceAuthor Commented:
I tried to split the points fairly, thanks again to all who participated.
Jay_Jay70Commented:
thankyou :)
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