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Proxy Server 2.0 and RRAS

By jlinebarg ·
Have a server that use to have Proxy Server 2.0 installed. RRAS was working and could establish VPN connections. Proxy crashed hard and took a long time to recover. After recovery, RRAS give TCP/IP CP reported error 733: Your computer and the remote computer could not agree on PPP control protocols. Have looked this up in TechNet, done everything it states, still have the same issue. Reinstalled Active Directory completely, same issue. Seems like a registry issue now. Seen this before?

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Proxy Server 2.0 and RRAS

by Paula.Jones In reply to Proxy Server 2.0 and RRAS

The VPNs use PPTP (Point to Point Tunneling Protocol). Try enabling packet filtering on the Proxy Server, and ensure that the predefined filter PPTP RECEIVE and PPTP CALL is enabled.

The Winsock Proxy client included with Microsoft Proxy Serverversions 2.0 is not capable of "remote" PPTP calls. PPTP calls can only be made from or be received on the proxy server computer itself. In order to do this the client must pass the PPTP packets under the proxy server.

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Proxy Server 2.0 and RRAS

by jlinebarg In reply to Proxy Server 2.0 and RRAS

The system use to have Proxy server but had to be removed because of other issues. Now it just has RRAS that does not function at all.

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Proxy Server 2.0 and RRAS

by maxwell edison In reply to Proxy Server 2.0 and RRAS

See Microsoft article Q168720 titled, "Possible Causes of RAS TCP/IP Error 733 Over PPP".

http://support.microsoft.com/default.aspx?scid=kb;EN-US;q168720

(REMOVE SPACES from the pasted URL.)

It states the following:

When you try to connect with a Windows Remote Access Client to a Windows Remote Access Service (RAS) Server, you may see the following error:

Error connecting to <computer name>

Checking network protocol connections...

TCP/IP CP reported error 733: the PPP control protocol for this network protocol is not available on the server.

Cause:

One of the following may be true about either your RAS configuration or the TCP/IP protocol on your RAS server:

Your RAS client dialed in requesting the TCP/IP protocol, but you did not select the TCP/IP option in the Server Settings option in Network Configuration for Remote Access Setup.

-or-

In Server Settings for Remote Access Setup mentioned above, if you did select the TCP/IP protocol, and in the TCP/IP Configure option, you also selected the "Use DHCP to assign remote TCP/IP client addresses." But the DHCP server is either not installed, the DHCP service is disabled in the Services option of Control Panel, or the RAS server for some reason could not obtain a lease from the DHCP server.

-or-

You have chosen to "allow clients running" the TCP/IP protocol in the RAS Server Settings, but some or all of the bindings for the TCP/IP protocol have been disabled in the Bindings tabof the Network dialog of the Control Panel on the RAS server. Or, alternatively the TCP/IP bindings may have become corrupted.

(continued...)

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Proxy Server 2.0 and RRAS

by maxwell edison In reply to Proxy Server 2.0 and RRAS

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RESOLUTION:

To overcome the error 733, you may have to apply one or more of the following workarounds:

Ensure that the TCP/IP protocol is installed on your RAS server and that the TCP/IP protocol is selected in the Server Settings of the Network Configuration option of the Remote Access Setup dialog.

-or-

If you have the "Use DHCP to assign remote TCP/IP client addresses" option selected for the TCP/IP protocol in the RAS Server Settings, then ensure that you have installedDHCP and that it is not disabled.

-or-

Ensure that all of the bindings for TCP/IP are enabled in the Bindings tab of the Network dialog of the Control Panel. Be sure to inspect the TCP/IP Protocol and WINS Client(TCP/IP) bindings for all adapters, all protocols, and all services. If the TCP/IP bindings are corrupt, you may have to reinstall TCP/IP and or RAS in order to clean up the bindings.

NOTE : If the TCP/IP bindings are only partially disabled, you may still be able to connectwith TCP/IP over PPP without an error, but you may only have limited functionality over the connection. This will depend on which TCP/IP bindings are disabled.

Good luck,

Maxwell

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Proxy Server 2.0 and RRAS

by jlinebarg In reply to Proxy Server 2.0 and RRAS

Poster rated this answer

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Proxy Server 2.0 and RRAS

by jlinebarg In reply to Proxy Server 2.0 and RRAS

This question was closed by the author

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