Skype for Business Server 2015, Persistent Chat could not start due to the following exception: Reviewing the Lync Server logs on the Persistent Chat server reveal the following error logged: You attempt to start the Skype for Business Server Persistent Chat service but notice that it starts and quickly stops: You continue by requesting and assigning the new certificate to the Persistent Chat service: You proceed to log into the Persistent Chat server and confirm that the certificate has expired and therefore none has been assigned to the service: If you have already installed the remote CA certificate chain, then try rebooting the local machine. For untrusted root errors, ensure that the remote CA certificate chain is installed locally. If the FQDN refers to a DNS load balanced pool then check that all addresses returned by DNS refer to a server in the same pool. Certificate root not trusted error means that the peer certificate was issued by a remote CA that is not trusted by the local machine.Ĭheck that the address and port matches the FQDN used to connect, and that the peer certificate contains this FQDN somewhere in its subject or SAN fields. Target principal name is incorrect means that the peer certificate does not contain the name that the local server used to connect.
#MAC SKYPE FOR BUSINESS PROBLEM VERIFYING CERTIFICATE CODE#
The error code of the last failure is 0x800B0101(CERT_E_EXPIRED) while trying to connect to the server "" at address, and the display name in the peer certificate is "".Ĭause: Most often a problem with the peer certificate or perhaps the host name (DNS) record used to reach the peer server. Over the past 359 minutes, Skype for Business Server has experienced TLS outgoing connection failures 15 time(s). Reviewing the Lync Server event logs on the front-end server reveals the following error logged: Persistent Chat rooms are no longer accessible but all other functionality appears to be functioning. Your chat room access may be limited due to an outage. Still need help? Go to Microsoft Community.You’ve noticed that the Skype for Business client displays the following message: A value of 300 represents a five-minute time difference, and this can cause the sign-in issue. If the ClockSkew DWORD value is present, this is most likely the cause of the error message. HKEY_USERS.DEFAULT\Software\Microsoft\MSOIdentit圜RL To determine whether a time skew is the cause of the issue, check whether the ClockSkew DWORD value is present in the following registry subkey:
For example, this issue may occur if the time is skewed. This issue may occur if the time is set incorrectly on the computer on which the user couldn't sign in. 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.
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