Symptoms
When you deploy Microsoft Skype for Business Server 2019 together with a stand-alone Mediation server pool, the following event ID 25075 is logged on the Mediation server:
Log Name: Lync Server
Source: LS Mediation Server
Date: DateTime
Event ID: 25075
Task Category: (1030)
Level: Warning
Keywords: Classic
User: N/A
Computer: ComputerName
Description:
Mediation Server encountered an invalid setting that has been ignored.
Setting: Mediation Server Front End side SipHealthMonitor port not configured. Health monitor is disabled.
Reason: N/A
Cause: Settings configured incorrectly.
Resolution:
Reconfigure the specified setting.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="LS Mediation Server" />
<EventID Qualifiers="33798">25075</EventID>
<Level>3</Level>
<Task>1030</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="SystemTime" />
<EventRecordID>397</EventRecordID>
<Channel>Lync Server</Channel>
<Computer>ComputerName</Computer>
<Security />
</System>
<EventData>
<Data>Mediation Server Front End side SipHealthMonitor port not configured. Health monitor is disabled.</Data>
<Data>N/A</Data>
</EventData>
</Event>
Resolution
To fix this issue, install the September 2019 cumulative update 7.0.2046.143 for Skype for Business Server 2019, Mediation Server.
