VPN ist not working correctly after applying SBS 2003 SP1

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Hello,

I applied SBS 2003 SP1 based on MS installation instructions:

Step One: Install Service Pack 1 for the Windows Server 2003 operating
system
Step Two: Install Windows SharePoint Services 2.0 Service Pack 1
Step Three: Install Exchange Server 2003 Service Pack 1
Step Four: Install Windows XP SP2 for Client Deployment
Step Five: Install Windows Small Business Server 2003 Service Pack 1

The server is running well, but all VPN connections are not working anymore
correctly. Therefore I patched ISA Server to SP2, deactivated RAS and
Routing and used ISA VPN Wizard to recreate a new VPN RAS and Routing
Service. I managaed to connect external clients via VPN, but these client
are not able to ping neither the server nor other server in the network
192.168.50.x. The other way round the server is able to ping the VPN clients
and can connect to VNC and other services on the client. Strange!

I think it must be a routing and/or ISA problem, but didn't find the
solution now. Prior to SP1, VPN works perfect.

The net config:

SBS 2003 VPN Server
192.168.50.1
DNS
DHCP
ISA 2000 SP2
RAS and Routing WinXP VPN Client Network

192.168.50.0 ---- Router ----- INET ----- Router ---- 192.168.51.0
If a VPN connection is established by the clients:
ping direction works ---->
ports can be opened ---->
<-- ping direction does not work
<-- No server ports can
be accessed by telnet

Thanks in Advance
Andreas


.



Relevant Pages

  • Re: Exchange SP1 stopped all smtp traffic
    ... You've rebooted the server since all of this, ... I would try re-running the CEICW ... Install Windows SharePoint Services 2.0 Service Pack 1 ...
    (microsoft.public.windows.server.sbs)
  • RE: VPN ist not working correctly after applying SBS 2003 SP1
    ... Install Service Pack 1 for the Windows Server 2003 operating ... > Routing and used ISA VPN Wizard to recreate a new VPN RAS and Routing ... I managaed to connect external clients via VPN, ...
    (microsoft.public.isa.vpn)
  • Re: Exchange SP1 stopped all smtp traffic
    ... have you looked to see if the SMTP service is running? ... Install Windows SharePoint Services 2.0 Service Pack 1 ... Install Exchange Server 2003 Service Pack 1 ...
    (microsoft.public.windows.server.sbs)
  • RE: Windows SBS SP1 problem?
    ... Before installing Windows Small Business Server ... > Service Pack 1, you must first download and install Windows Server 2003 ... I have to install Windows SBS SP1 to install Windows SBS ...
    (microsoft.public.windows.server.sbs)
  • Re: ISA server errors out with Event ID 14198
    ... our VPN. ... I have disabled that and deleted the proxy cache, the server ... > There are some hot fixes and a service pack recently released. ...
    (microsoft.public.win2000.security)