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Server has two IP addresses

Posted on 2008-10-14
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Last Modified: 2008-10-19
So I have this server that for some reason has two IP addresses. I only want it to have one.
The server has only one network card. It has the following roles installed: DHCP, DNS, AD DS, IIS, Routing and remote access (for VPN), WINS, File server, print server. It also has several other softwares installed, such as MS SQL Server 2005, and it has a dial-up modem connected via serial to facilitate fax server use. Some services are only bound to one of the IP addresses, like SQL Server, and when users try to connect to it half the time it doesn't work because it will return the second IP address which I don't want it to have! I have gone into DNS and deleted the records in the forward and reverse lookup zones, and they come back later. I have looked at routing and remote access, and opened the properties for every single thing in that snap-in and found no clues. I have looked thoroughly, multiple times, through network adapter properties, and the routing and remote access snap-in, and found nothing.
Oh, and also I've found that the DHCP server gives out a bunch of ip addresses for remote access, and the second IP address that this server has is right in the middle of that range, and for some reason it is never used by the routing and remote access software.

This is driving me nuts!
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Question by:spectra-qest
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13 Comments
 
LVL 9

Expert Comment

by:mgonullu
ID: 22718094
In the network connections, right click your Ethernet controller properties, then TCP/IP properties
then click on advanced and see if manually another IP address is there so you remove it
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Author Comment

by:spectra-qest
ID: 22718129
Thanks, but as I said, I'd already checked there.
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LVL 9

Expert Comment

by:mgonullu
ID: 22718138
can you post the result of ipconfig -all please
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Author Comment

by:spectra-qest
ID: 22718152
Sorry for the bad tabulation...


Windows IP Configuration

   Host Name . . . . . . . . . . . . : xxxxxxxxx
   Primary Dns Suffix  . . . . . . . : xxxxxxxxx
   Node Type . . . . . . . . . . . . : Unknown
   IP Routing Enabled. . . . . . . . : Yes
   WINS Proxy Enabled. . . . . . . . : Yes
   DNS Suffix Search List. . . . . . : xxxxxxxxx

PPP adapter RAS Server (Dial In) Interface:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : WAN (PPP/SLIP) Interface
   Physical Address. . . . . . . . . : 00-53-45-00-00-00
   DHCP Enabled. . . . . . . . . . . : No
   IP Address. . . . . . . . . . . . : 10.0.0.14
   Subnet Mask . . . . . . . . . . . : 255.255.255.255
   Default Gateway . . . . . . . . . :

Ethernet adapter LAN:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Broadcom BCM5708C NetXtreme II GigE (NDIS
 VBD Client)
   Physical Address. . . . . . . . . : 00-19-B9-xx-xx-xx
   DHCP Enabled. . . . . . . . . . . : No
   IP Address. . . . . . . . . . . . : 10.0.0.1
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 10.0.0.8
   DNS Servers . . . . . . . . . . . : 127.0.0.1
   Primary WINS Server . . . . . . . : 127.0.0.1


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LVL 9

Expert Comment

by:mgonullu
ID: 22718197
Did you tried to change the subnet mask for the RAS to 255.255.255.0 ,
your second IP is coming from the RAS
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Author Comment

by:spectra-qest
ID: 22718220
Yeah I thought it was the RAS, hence why I mentioned it. But I can't find anywhere to change the subnet for the RAS....
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LVL 9

Accepted Solution

by:
mgonullu earned 500 total points
ID: 22718298
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Author Comment

by:spectra-qest
ID: 22718367
Thanks,

I will have to try that tomorrow as I am out of time.
0
 
LVL 12

Expert Comment

by:rionroc
ID: 22718501
Hello

You can disable or stop the RRAS in windows services management.

OR you can change the ip address in the RRAS console, under "servername" Properties, IP tabmenu.


Great is our GOD.
:)
0
 

Author Comment

by:spectra-qest
ID: 22727922
Thanks for that article there, mgonullu. I followed the steps for the WINS part, and the issue seems to have been resolved. I'll leave it for another day or two, to make sure. Thanks heaps.
0
 

Author Comment

by:spectra-qest
ID: 22736532
Dang, it's come back again.... I'll follow the steps for the DNS part as well.
0
 
LVL 9

Expert Comment

by:mgonullu
ID: 22738714
ok, please keep informing us
0
 

Author Comment

by:spectra-qest
ID: 22754067
Well I left it over the weekend and the issue seems to be solved! Thanks!
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