I recently updated to Xcode 8 and as I click on \"download\" option next to provisioning profile in Xcode/Preferences/Accounts/View Details menu it changes to gray and does not
I had the same issue. I leave the solution that worked for me:
I deleted all certificates that were expired from my keyChain, I noticed that the new certificates didn't download because I had an expired certificate related. I don't know why it seems to be an issue of my keyChain/iTunes