If these users login their account on PC clients for testing, would they encounter the same issue? Please also try to login Outlook Web App ( Their Mac computer to login regular Skype clients?Ģ. I noticed that you mentioned users have linked live account, is that means all impacted user have added live account as connected account to their Office 365 account, or just use Live account as well on If issue persists, I’d like to collect the following information to further narrow down this issue:ġ. Meanwhile, after clear the caches, please try to reset Mac computer time zone and clock, then try to check updates for Skype for Business clients to see if they are using the latest version of desktop clients, Re-start Skype for Business to check the result. Open Keychain Access from Finder > Applications> search “skype for business” in the search box, delete all files.Ĥ. Location: ~/library/Saved Application State > deleteĬom.Ĭom.ģ. Location: ~/library/Internet Plug-Ins > delete Go to Finder > press Command+Shift+G, type in the following location and delete the file About can’t login Skype for Business for Mac, incorrect user/password, and 12 hours behind, I suggest you may let user clear Skype for Business for Mac caches to see if it works:Ģ.