After Lion install screen sharing won't accept my password

I just updated my *headless* mac-mini to 10.7.  As soon as it rebooted
Since updating to OS 10.7 on my Mac Mini, I have been unable to log in via Screen Sharing (using my 10.7 installed Mac Pro).  I continually receive the error "Authenticaion failed to 'MacMini'. Please verify you have entered the correct name and password."  The name and password are correct, and the mac-mini lets me "Connect As ..." with the username and password.  Only the Screen Sharing application fails to authenticate.  I had no troubles  an hour ago when it had Snow Leopard installed.
Any solution before I have to travel to this mini?
Thanks,
Jim

My family has multiple Macs at home and I also help a friend at a remote location.  What is weird, is I was able to do screen sharing with the Mac at the remote location and a couple at home, but was not able to get screen sharing to work on the majority of our Macs at home.  Rebooting did not help.  Deleting my user login and corresponding home folder (then rebooting) and recreating a new user under the same login name that was deleted did not help.  Repairing permissions in Disk Utility did not help.  I did not try creating a user under a totally different login name and setting up screen sharing to share with that user name.  I was going to try that this morning.  However, on another thread, someone offered another thing to try.  I tried it and it worked.
This is what eventually worked for me...  This work around seems to expose that there is definitely a bug:
https://discussions.apple.com/message/15812668#15812668
Quote from andifor:
"Full name and account name on my computers are also the same.
But I did some deviation last time I tried. I changed my name on the connection dialog. I changed the name from "user" to "uSer" (changed one letter to capital) and it did work!
So if you login name is "peter", change it to "pEter" or "peTer", just on the login screen.
Looks more and more like a bug and only Apple can help. Does anybody know, if they are monitoring these discussions or is there a possibility to log some bug report?"

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