Visual Studio 2012 Web Deploy to Windows Server 2008 R2 with IIS 7 and /msdeploy.axd 404 error

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In Visual Studio 2012 RC when I try to validate a Web Deploy connection I get this error message:

ERROR_DESTINATION_NOT_REACHABLE

The required Web Management Service is started on the server and Web Deploy 3.0 RC is installed.

Then using Remote Desktop Connection I log on the server and go check

IIS

 logs located at C:\inetpub\logs\LogFiles\W3SVC1

. There I can see my attempts to validate the connection because they contain my IP address:

2012-07-13 20:58:49 185.201.117.17 HEAD /msdeploy.axd site=Default%20Web%20Site 8172 - 189.10.32.194 - 404 0 2 78

It's giving me a 404.

After trying to get this working for almost 6 hours now (reading a lot of material including this great Troubleshooting guide by IIS team titled Troubleshooting Web Deploy problems with Visual Studio and this related question Visual Studio 2010 Web deployment task failed) I decided to ask for help here and see if anyone has a clue about what can be the problem... Do you know what's causing this 404 error?

If you need any more info, just ask me and I'll provide it... :)

Edit

Yesterday I also tried the following

msdeploy

command on my local machine to list the the contents of a folder called

test

on the server [ and it worked as expected ]:

C:\Program Files\IIS\Microsoft Web Deploy V3>msdeploy -verb:dump -source:content
path=c:\test,computerName=xxxxxxxxxx.publiccloud.com.br,username=User,password=Password
Info: Using ID 'a246a13c-7777-4226-964c-fe9934c60b77' for connections to the rem
ote server.
MSDeploy.contentPath
c:\test
c:\test
c:\test\test.txt

Windows Server 2008 Firewall is disabled and I can access IIS on the server from my local machine with these URLs:

http://xxxxxxxxxx.publiccloud.com.br/SISPEC

https://xxxxxxxxxx.publiccloud.com.br:8172

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