RE: Is it possible to send fax from Outlook over http/rpc ?



Hi,

Thanks for posting here.

From your post, I understand that you want to know whether the Fax sending
can send fax via RPC over HTTP. If I am off base, please feel free to let
me know.

Based on my knowledge, in a local area network (LAN), Outlook communicates
with Exchange servers using direct network (TCP/IP) access, also known as
RPC over TCP/IP. This method provides quick, efficient access to a
corporate network.
However, remote users accessing Exchange need a VPN connection, which gets
them past the corporate firewall onto the corporate network. A VPN is more
complex and enables access to more network services than are required for
just e-mail access.
Outlook 2003 now offers a simpler alternative to VPN connections - RPC over
HTTP. With this feature, users can have security-enhanced access to their
Exchange Server accounts from the Internet when they are working outside
your organization's firewall. Users do not need any special connections or
hardware, such as smart cards and security tokens, and they can still get
to their Exchange accounts even if the Exchange server and client computer
behind the firewall are on different networks.
RPC over HTTP works by having an Exchange Server front-end computer
configured as an RPC proxy server. This RPC proxy server then specifies
which ports to use to communicate with the network's domain controller,
global catalog (GC) servers, and all Exchange servers that the client user
requires. The Exchange group in your organization must first deploy RPC
over HTTP for the Exchange servers you use, and then you can configure user
accounts that access those Exchange servers to use RPC over HTTP.

So I believe you can send fax in outlook through RPC over HTTP, and you can
refer the following knowledge base article to do some test in your Windows
SBS environment:

How to set up the Small Business Server 2000 Shared Fax service
http://support.microsoft.com/kb/325807/en-us

How to Create an Outlook Profile for Users to Use with RPC over HTTP
http://www.microsoft.com/technet/prodtechnol/exchange/guides/E2k3RPCHTTPDep/
92f1a371-86dc-4839-9732-5a85525a0874.mspx?mfr=true

How to configure RPC over HTTP in Exchange Server 2003
http://support.microsoft.com/kb/833401/en-us

For additional information, please refer to the following technology
articles:

Step-by-Step Guide for Configuring and Using Fax on Windows Small Business
Server 2003
http://www.microsoft.com/downloads/details.aspx?FamilyID=1b7510a0-1595-4776-
a101-c3bec7512594&displaylang=en

Exchange Server 2003 RPC over HTTP Deployment Scenarios
http://www.microsoft.com/technet/prodtechnol/exchange/guides/E2k3RPCHTTPDep/
92f1a371-86dc-4839-9732-5a85525a0874.mspx?mfr=true

I hope the above information helps.

Have a nice day.

Best Regards,

Steven Zhu
MCSE
Microsoft Online Partner Support
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