Back to my mac isn't working properly

After downloading Mavericks, (which went without a hitch), I am now receiving an error in system preferences stating: Back to my Mac isn't working properly
because the DNS server isn't responding. Contact your internet service provider for a different DNS server address, enter it in Network preferences and try again.
In reality everything wireless is working; the internet the printer iPad works fine.
I went to the Airport utility and clicked on my Time Capsule and it states: Change Airport base station from using DHCP and NAT to Bridge mode.
I done that and everything related to the wireless router runs real slow, I mean real slow. It took just under 4 minutes for my Time Capsule to recognize the computer. Due to this I received all kinds of errors from the printer from Airport Utility and the iPad.
I need a fix please, I've read all the support documents related to this in the support community and either the answers given I have tried with no success or they do not relate to my situuation.
Thank you for looking at this, I only hope you have a valid answer.
Jerry

New to BTMM, I got stung today with the silly DNS problem message. Solution:
1) Flush DNS cache with:
dscacheutil -flushcache;sudo killall -HUP mDNSResponder
2)System preferences > iCloud > untick BTMM then tick it again. The warning should have disappeared.
Edit #1
Apologies for the noise. The warning has come back
Edit #2
Just found out that BTMM is not compatible with double NAT. That's not helpful.
http://support.apple.com/kb/TS1208

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Hi, i am trying to setup back to my mac at home but I get the error "Back to my Mac isn't working properly because your DNS server isn't responding. Contact your ISP for an alternate DNS server address, and enter it in Network Preferences".
There is no documentation on how to solve this anywhere.
I have an Arris router set to bridged mode which is connected to a 5th generation airport extreme. I have tried using the google dns servers instead of the one assigned by the cable company in the AE but I still get the same error.
Any help would be much appreciated
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New to BTMM, I got stung today with the silly DNS problem message. Solution:
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Edit #1
Apologies for the noise. The warning has come back
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Just found out that BTMM is not compatible with double NAT. That's not helpful.
http://support.apple.com/kb/TS1208

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Back to my mac isn't working properly

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