Outlook over http Setup Problems

I am attempting to setup Outlook over HTTP on our system. I have followed the guild in this link but i cannot get outlook to connect. I am getting the error

http://www.msexchange.org/tutorials/outlook_2003_connect_exchange_2003.html


The server does not support the required http method. The Server responded. Not Implemented. In Outlook

In the Mail settings in Outlook for Server Url I am using http://mail.mydomain.com/rpc

The article mentions a registry change I need to make it not require SSL since I do not have an SSL cert but I wan;t able to fine that registry change info. Is that the part that is preventing this from working?
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Axis52401Security AnalystAsked:
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DLeaverCommented:
Are you using SBS 2003 or just normal Exchange 2003?

You need to be using an SSL certificate, even if its just the self signed one within SBS, otherwise you will be transferring information in clear text, which will make it very easy to intercept and leave you open to malicious attacks.

Get a Certificate from here they are very reasonably priced.

www.certificatesforexchange.com

That aside ensure that port 443 is open on your firewall and directed to your Exchange server

Don't use the /rpc vd switch.  Within the connection properties you don't need to add this, just use

mail.mydomain.com

http://www.petri.co.il/configure_outlook_2003_to_use_rpc_over_http.htm
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Axis52401Security AnalystAuthor Commented:
Its not SBS and I'd rather not create an SSL cert for this as I have users connecting with several Mobile devices and such in operation and I don't want to interrupt that. Is there a way of doing this without one?
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DLeaverCommented:
Installing a third party certificate won't disrupt the mobile devices.

The only issue some users may have is to accept the certificate, which is a one time event - that is it

I really recommend you use one as it is designed to be used with one, trying to work around it will cause you more problems...
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Axis52401Security AnalystAuthor Commented:
How about using the create new certificate on the server itself, Will that work?
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