Error 20091 When Client Dials RAS Server Using TCP/IP
ID: Q151760
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The information in this article applies to:
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Microsoft Windows NT Workstation versions 3.5, 3.51, 4.0
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Microsoft Windows NT Server versions 3.5, 3.51, 4.0
SYMPTOMS
Windows NT, Windows 95, or third-party PPP clients fail to connect to your
Windows NT Remote Access Service (RAS) server using the TCP/IP protocol.
In the System Log of the Event Viewer on your Windows NT RAS server, you
see the following error message:
Event ID: 20091
Source: RemoteAccess
Type: Error
Description: The Remote Access Server was unable to acquire an IP
Address from the DHCP Server to be used on the Server Adapter. Incoming
users will be unable to connect using IP.
CAUSE
This behavior can occur if either of the following conditions exist:
- You are using DHCP on your network, but you have not created an
active scope that includes addresses from the same subnet as the subnet
of the RAS server's network card.
- Your RAS server is configured to use DHCP to assign remote TCP/IP
client addresses (the default option), however, there is no DHCP server
on your network.
RESOLUTION
If there is a DHCP Server on your network, make sure you have an active
scope on your DHCP server that includes addresses from the same subnet as
the subnet of the RAS server's network card. For information on creating
and activating scopes using DHCP Manager, refer to DHCP Help.
If there is no DHCP server on your network, configure RAS to use a static
address pool to assign remote TCP/IP client addresses by performing the
appropriate method below:
Windows NT 4.0
- In Control Panel, double-click Network, click the Services tab, and
then double-click Remote Access Service.
- Click Network, click the TCP/IP check box under Server Settings to
select it, and then click Configure.
- Click Use Static Address Pool, set the Begin and End addresses, and
then click OK.
Windows NT 3.51 and earlier
- In Control Panel, double-click Network, and then double-click Remote
Access Service.
- Click Network, and then click Configure (for TCP/IP) under Server
Settings.
- Click Use Static Address Pool, set the Begin and End addresses, and
then click OK.
Additional query words:
3.50 3.51 4.00 20090 736 629 negotiate compatible
Keywords : kbusage ntras nttcp
Version : 3.5 3.51 4.0
Platform : winnt
Issue type :
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