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| jayjay22 2003-01-10, 12:15 am |
| I have terminal services installed on W2K server. I have the licencing installed and working corectly. I also have Citrix metaframe XP installed on the server. On a different server on the same subnet, I have a DHCP installed and configured to give IP's to workstations. The servers have static IP's
Question
For whatever reason, terminal server keeps grabbing all of addresses from the DCHP server, leaving none left for the workstations to grab.I've manually realeased the IP's from the DCHP server, but terminal server just grabs them all up again after an hour or so. How do I stop terminal server from grabbing all of the IP's on my DHCP server. I only want it to grab an IP when a client connects to terminal services.
Thanks,
Jay | |
| skipleon 2003-01-10, 1:40 am |
| Hey Jay,
Have tried to have a look at what your dhcp scope is, how many ip address you've configured it to give out, 'cos a terminal server is just a server service running on the win2k platform for remote access to the server, more like pc anywhere. And it does not just grabs all available it addresses.  | |
| jeff_j_black 2003-01-10, 8:10 am |
| RRAS does this if you configure Remote Access. Are you using one of your Win2k boxes as a router? How big is your DHCP scope? | |
| jayjay22 2003-01-10, 10:30 am |
| I have a large scope, the scope contains double the number of addresses that are needed (as in i have 320 client computers on this subnet, and have 600 addresses defined for lease).
RRAS is installed on the PC. That must be what is taking up all the addresses. It is not congigured as a router. How do I stop it from taking the available addresses? At most RRAS would need 2 adresses as it has 2 modems connected to it for dial in connections to terminal and citrix server. The server literally takes all of the address on dhcp and uses it for itself even when no one is connected to it.
Thanks | |
| jeff_j_black 2003-01-10, 11:03 am |
| If you look at RRAS in MMC, and examine PORTS, then you can see and configure how many ports request DHCP Addresses. | |
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| quote:
Originally posted by jeff_j_black
If you look at RRAS in MMC, and examine PORTS, then you can see and configure how many ports request DHCP Addresses.
agree... i see when i use VPN on the RRAS server he take several IP address from the DHCP server (i define the numbers) but the ip as taked just when you make the configuration, not when clients connect to the network. | |
| jayjay22 2003-01-11, 1:55 am |
| Ok boys,
I've having a moment of absent mindedness. I've looked at RRAS MMC snap in. I don't quite understand how to configure the ports. I only want an IP to be used when a dial up connection has been established, but I can't see how to do this.
Thanks | |
|
| quote:
Originally posted by jayjay22
Ok boys,
I've having a moment of absent mindedness. I've looked at RRAS MMC snap in. I don't quite understand how to configure the ports. I only want an IP to be used when a dial up connection has been established, but I can't see how to do this.
Thanks
if you donīt use any RRAS service, just kill the RRAS and you will have all the ip complete scope for your users!
mmmmmmmm. but maybe rras was installed by the terminal services or citrix metaframe....... mmm i donīt know.
my recommendation. search on the microsoft technet. | |
| jeff_j_black 2003-01-11, 9:17 am |
| Yeah, I'm not familiar with Citrix, so we might be missing something there as well...
To configure how many ports you want available in RRAS: MMC to RRAS, Expand the server in question, Right click on ports, Select the type of ports you want to configure and click 'Configure'. From there you can change the number of ports you want to have available.
You may try examining management consoles for Citrix and Terminal Services, as well to see if there is any parameters for how many available connections etc. I only use Terminal Server in Admin mode and am not familiar with Citrix, so there may be more than meets the eye there, as well. | |
| skipleon 2003-01-11, 3:53 pm |
| Hey Jay,
I think you're leaving something out here, when RRAS is enable on a server with dhcp server, and a dail-up clients requests an ip address from the rras server, the RRAS server, by default requests 10 ip addresses at one time from the dhcp server, and if these 10 ip address is used up by dail-in clients, it request another 10. unless configured otherwise. this in turn explains why most of your ip address are being used up in the dhcp server. for the role in which the citrix plays in the dhcp I do not know.  I hope this could bring someother things to your remembrance. hope it could be of help.
Skip.... | |
|
| quote:
Originally posted by skipleon
Hey Jay,
I think you're leaving something out here, when RRAS is enable on a server with dhcp server, and a dail-up clients requests an ip address from the rras server, the RRAS server, by default requests 10 ip addresses at one time from the dhcp server, and if these 10 ip address is used up by dail-in clients, it request another 10. unless configured otherwise. this in turn explains why most of your ip address are being used up in the dhcp server. for the role in which the citrix plays in the dhcp I do not know. I hope this could bring someother things to your remembrance. hope it could be of help.
Skip....
nice explanation! congrats  | |
| jeff_j_black 2003-01-11, 8:05 pm |
| PPTP and L2TP can draw 10 addresses each as well if you have configured VPN. | |
| jayjay22 2003-01-11, 11:14 pm |
| Is there some way I can have it only take 1 address at a time. At most it should need only 2, as there are only 2 modems installed, thus 2 remote connections. Can I assign static IP's to the two dail up modems? If so how? | |
| jeff_j_black 2003-01-12, 11:27 am |
| Again, that is controlled in the properties of the 'ports' under RRAS, in MMC. You can specify how many of each type of port are available. | |
| jayjay22 2003-01-12, 7:00 pm |
| Ok, I'll try it next week at work and let you all know how it works out  | |
| skipleon 2003-01-13, 3:48 am |
| hi Jay,
This is what you want, to configure the RRAS to request a specific number of ip addresses from the dhcp server, this has to be done in the registry, 'cos each set of ip address it requests for initially are store in the Registry of the RRas server. This regisry key is modified by changing the default value of 10 to the required value. this is the registry key: HKEY_LOCAL_MACHINE\SYSTEM\Curr
entControlset\Services\RemoteA
ccess\Parameters\IP\Initialadd
ressPoolSize. the default value is changed to the deisire value. but do be careful with changes you make to the registry as this could cause your system to be unstable. I hope this could be of much help to you. Get in touch if you have any problem.
Skip.... | |
| jayjay22 2003-01-15, 12:57 am |
| The solution to the problem was a combination of two of your answers.
First I examined the ports which were assigned for use on terminal server using the terminal server MMC. I disabled all of the VPN protocols, leaving only 1 port for each modem open.
I then added the InitialaddressPoolSize key to the registry with a value of 2.
After two days of use (yesterday and today), the terminal server is now only using 2 DHCP addresses.
Thanks for input gentlemen, it was great help! | |
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