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Event ID 14584 – LS Protocol Stack – Connection attempt to at least one service in a pool failed.

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I have seen the warning/error below logged on my Lync Servers:

  • “Connection attempts to the following services have failed. Another attempt will be made for each service every 10 minutes.
    Service Address: 192.168.1.10:444; Pool FQDN: LyncPool1.domain.com; Down Time: 0:15
    Service Address: 192.168.1.10:5061; Pool FQDN: LyncPool1.domain.com; Down Time: 0:14

    Cause: The specified service(s) are unavailable.
    Resolution:
    Check the servers in the pool(s) on which the service(s) are installed.”

From what I have seen these have no impact on the server. My servers are fully patched and up-to-date.