To resolve this issue, make sure that the computer's clock and time zone settings are set correctly. However, this same user can sign in from another computer that's running the Lync client. If date and time are correct, see your network administrator to verify that your digital certificate file is valid. If the problem continues, please contact your support team.Įither date and time settings are incorrect, or the digital certificate file is not valid or installed on your computer.
The user name, password, or domain appears to be incorrect. To check your computer clock settings, open Date and Time in the Control Panel.
When a user tries to sign in to Skype for Business Online (formerly Lync Online) from a particular computer, he or she receives one of the following error messages:Ĭannot sign in to Lync because your computer clock is not set correctly. Skype for Business Online sign-in error if settings such as the computer time, date, user name, or password are incorrect
