c# - MSDeployTestConnection does not exist in project for VS 2012 -

c# - MSDeployTestConnection does not exist in project for VS 2012 -

i next error when seek publish site localhost. able before (just day back) , have compared version of project file, , there no change. can help me this? have looked @ similar question asked here , adding tag in project file did not help me.

edit:

added image, show what's behind dialogue:

also, when click on publish, without testing connection error:

c# wcf visual-studio-2012