RE: Remote Web Workplace
- From: v-edtian@xxxxxxxxxxxxxxxxxxxx (Edward Tian)
- Date: Wed, 12 Oct 2005 03:17:40 GMT
Hi:
Thank you for posting your question.
>From your description, I understand that when you use a remote client to
connect to the SBS via RWW, you cannot RDP to the server/client. You
received some error messages indicate that 'Connectivity to the remote
computer could not be established' and 'Remote connection might not be
enabled
or the computer might be too busy to accept connection'. If I have
misunderstood your concern, please feel free to let me know.
Technically speaking, in order to allow a remote desktop connection to a
client computer through Remote Web Workplace (RWW), a component called TS
Proxy is used to forward TS requests through a firewall on TCP port 4125,
in essence keeping the connection alive. Once the connection is established
on port 4125, the traffic will then be redirected to another dynamically
allocated port. All subsequence traffic will flow through the new port of
the server to the client at port 3389. So, we should first ensure the
router is configured to forward port 4125 to the external NIC of the SBS
Server. (If you have a hardware router at the SBS end.)
Then, please re-run the CEICW Wizard, this wizard will automatically help
us configure the internet settings. Please open Server Management console,
navigate to 'Internet and E-mail' snap-in. Click 'Connect to the internet'
in the right panel. In 'Web services' selection window, make sure to select
the RWW option. Follow the wizard to complete the settings. Will you be
able to successfully access the RWW-RDP connections? You can follow this
step-by-step article to complete the wizard:
825763 How to configure Internet access in Windows Small Business Server
2003
http://support.microsoft.com/?id=825763
To narrow down this issue, could you do me a favor and collect the
following information:
1. On the SBS server, please check if there's any application is listening
on port 4125. To do so, refer to the following KB article:
886209 Users cannot connect to remote desktops by using the Windows Small
Business Server 2003 Remote Web Workplace
http://support.microsoft.com/?id=886209
2. From the SBS Server itself, enter https://localhost/remote. After you
login the RWW using a domain administrator account, try to Connect to
Server desktop or client workstation, does it work?
If we replace the URL https://localhost/remote with https://<FQDN>/remote
which you are using to access RWW from internet, does the problem persist?
3. Try to access the RWW site from the internal network. Go to an internal
workstation, open Internet Explorer and input https://ServerName/remote
Logon to the RWW portal and try to establish the RDP session to another
internal workstation. Can this operation be successfully done?
3. Do you have ISA installed? If so, ISA2k or ISA2k4?
If you do not have ISA installed, please check if the 4125 port is opened
on RRAS:
a) Open Server Management and navigate to the Routing and Remote Access
snap-in.
b) Right-click ''Network Connection'' in ''NAT/Basic Firewall'' under IP
Routing and select Properties.
c) Click Services and Ports.
d) Verify Remote Web Workplace is listed. If not, you can run CEICW to
publish RWW, or you can manually open TCP port 4125 at RRAS.
4. Go to the internal workstation. Click Start -> Run, enter 'mstsc'
without the quotation mark (remote desktop client). Can you establish the
RDP session to the SBS server or other workstations through the normal RDP
method?
5. When did the problem occur? Did the RDP via RWW ever work before?
6. Please type ipconfig/all from the command prompt on the SBS Server, and
post the output to me in the reply for further analysis.
For your information:
The mechanism of the RWW-RDP connection: Although the RWW-RDP function is
designed for SBS server, it is still based on traditional RDP (terminal
service) technology. When we establish the connection through the RWW site,
the SBS server actually works as a RDP proxy. The server accepts the
requests from the remote internet computers and then initiates the requests
to the internal workstations through RDP protocol. The workstations uses
built-in RDP engine to respond the requests. The 4125 port is used for the
RDP proxy procedure.
Hope the above information helps.
I appreciate your time and cooperation. Please feel free to let me know if
there is anything I can do for you.
Have a nice day! :)
Best Regards
Edward Tian(MSFT)
Microsoft CSS Online Newsgroup Support
Get Secure! - www.microsoft.com/security
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--------------------
| From: ashkaan57@xxxxxxxxxxx
| Newsgroups: microsoft.public.windows.server.sbs
| Subject: Remote Web Workplace
| Date: 11 Oct 2005 10:28:32 -0700
| Organization: http://groups.google.com
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|
| Hi,
| this is regarding an issue with Remote Web Workplace on a Windows
| Server 2003 SBS.
| >From within the workplace, if I click on the Connect to Server desktop,
| I get an error message saying "Remote connection might not be enabled
| or the computer might be too busy to accept connection". If I click on
| a client workstation and try to connect, it says "connection to remote
| computer could not be established. Ensure that remote computer is on
| and connected to SBS network."
|
| I can use remote desktop to connect to both but the web workplace
| doesn't work. Any assistance is appreciated.
|
| TIA.
|
|
.
- References:
- Remote Web Workplace
- From: ashkaan57
- Remote Web Workplace
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