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Static IP address (3 server ISA array)
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Static IP address (3 server ISA array) - 2.Dec.2008 7:56:48 AM
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intersimi
Posts: 33
Joined: 12.May2007
Status: offline
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Hi,
I have a 3 server ISA array that used to work fine, until we discovered an issue with one of them. The server was rebuilt and now everything is running fine, with the exception, that the new server is not acting as a VPN server.
On close examination, I found that the static pool below was configured for only two of the servers:-
192.168.168.1 - 192.168.168.254 ServerA
192.168.169.1 - 192.168.169.254 ServerA
192.168.170.1 - 192.168.170.254 ServerC
I have attempted to move the 2nd IP range to ServerB, however I get the following message pop-up:-
"The VPN static address pool of one of these servers includes IP addresses in the specified range. Please select another address range"
Ideally, I would like to configure it as below:-
192.168.168.1 - 192.168.168.254 ServerA
192.168.169.1 - 192.168.169.254 ServerB (Not ServerA)
192.168.170.1 - 192.168.170.254 ServerC
_____________________________
regards,
Intersimi
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RE: Static IP address (3 server ISA array) - 2.Dec.2008 9:29:48 AM
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intersimi
Posts: 33
Joined: 12.May2007
Status: offline
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Thanks JJ.
I have tried to remove the range I wish to allocate to ServerB, however when I do this I get another pop up:-
"there are not enough IP addresses available for VPN connections.
For each server, the number of IP addresses in the static address pool must be at least one greater than the sum of the maximum number of connections allowed in the VPN configuration plus the number of VPN networks"
The number of maximum connections is set to 100 so it should allow me to remove the second range leaving:-
192.168.168.1 - 192.168.168.254 ServerA
(Deleted)
192.168.170.1 - 192.168.170.254 ServerC
Do I need to disable "enable VPN client access" before I do this?
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RE: Static IP address (3 server ISA array) - 2.Dec.2008 9:33:58 AM
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intersimi
Posts: 33
Joined: 12.May2007
Status: offline
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I have answered my own question. I have performed the following:-
- unchecked the "Enable VPN client access" box
- Removed the IP range I wish to assign to ServerB
- Save config
- Add the range and assign ServerB
- Check the "Enable VPN client access" box
- Save config
This worked a treat. Such an easy thing, I wander why this does not allow you to change whilst clients are able to connect.
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RE: Static IP address (3 server ISA array) - 2.Dec.2008 9:40:13 AM
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intersimi
Posts: 33
Joined: 12.May2007
Status: offline
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Ahhhh.....Follow up.
"The Remote Access Service configuration for VPN could not be completed. As a result, the remote Access ervice may be stopped"
"The VPN Static Address Pool is empty. As a result, ISA Server cannot provide VPN functionality"
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RE: Static IP address (3 server ISA array) - 2.Dec.2008 10:23:27 AM
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intersimi
Posts: 33
Joined: 12.May2007
Status: offline
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I will let you know how I get on.
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RE: Static IP address (3 server ISA array) - 2.Dec.2008 10:50:22 AM
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intersimi
Posts: 33
Joined: 12.May2007
Status: offline
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All sorted now. Once ServerB rebooted, the new IP range was accepted and it all works again now.
Thanks JJ
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