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.

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.

You’ve noticed that the Skype for Business client displays the following message:

Skype chat rooms