SBS 2011 RDP login works but gives 404 error for System choices

Remote Desktop users can "log on" to the initial page but get 404 error after selection screen is given. The selection screen is what I'm call the 1st page after RDP logon that gives a user the choice of selecting the REMOTE computer name or choice of E-mail or shared folder use.  Actually, the selection page flashes for a second and then the 404 error appears.

This happened after I used the SBS Wizard to "fix my network" where it saw "Your domain name as incorrect DNS settings".

DNS is now confused within the SBS virtual world. The outside world knows how to get there but once inside...problems

Here is the setup:
SBS 2011 Premium on a dual-cpu, quad-core Xeon E5620 HP Proliant with 32 GB RAM

Host OS "HYPERV" - 2008R2 with Hyper-V only
VM OS "GUEST1" - 2008R2 SBS w/Exchange2010  [3 cores, 10GB RAM]
VM OS "GUEST2" - 2008R2 W/SQL and RDP  [4 cores, 18GB RAM]
USER8719Asked:
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Jon BrelieConnect With a Mentor System ArchitectCommented:
does your internal AD domain name match your external public domain?  If so, you need to have split DNS that keeps seperate records for public and internal IPs.

for example, if your public dns lists www.yourdomain.com as 200.123.123.123, you'd need to have an internal record that lists www.yourdomain.com as 192.186.0.123 (or whatever the *internal* address of your webserver is.

What is your SBS looking at for DNS resolution?  Because it should be looking at itself.  Properly configured DNS on a domain controller will look to itself first for DNS resolution.  Then DNS itself should be configured with valid forwarders to handle requests that cannot be resolved locally.
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USER8719Author Commented:
ENPHYNITI:
Thanks for the answer.  It was good general advise.  As it turns out the issue was much more complex.  So, I'll give you points for the answer anyway.  

The SBS "Wizard" really messed up the system.  We actually got Microsoft involved.  They ran a diagnostic and made some SSL changes in the registry.
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