Connection attempt to at least one service in a pool failed (Event ID 14584)

Question

I see a number of these errors on my Lync 2010 Server. I don't have federations or any other connections to these domains listed in the details (see bolded text). Why is my server attempting to contact them?
Log Name:      Lync Server
Source:        LS Protocol Stack
Date:          3/16/2014 2:27:12 AM
Event ID:      14584
Task Category: (1001)
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      EdgeServer.mydomain.com
Description:
Connection attempt to at least one service in a pool failed.
Connection attempts to the following services have failed. Another attempt will be made for each service every 10 minutes.
Service Address: 128.229.5.30:5061; Pool FQDN: lcs.bah.com; Down Time: 65:25
Service Address: 128.229.5.39:5061; Pool FQDN: lcs.bah.com; Down Time: 65:55
Service Address: 151.151.42.145:5061; Pool FQDN: sip.wellsfargo.com; Down Time: 66:14
Service Address: 151.151.42.148:5061; Pool FQDN: sip.wellsfargo.com; Down Time: 71:17
Service Address: 151.151.42.151:5061; Pool FQDN: sip.wellsfargo.com; Down Time: 71:17
Service Address: 151.151.42.154:5061; Pool FQDN: sip.wellsfargo.com; Down Time: 71:17
Service Address: 170.12.17.4:5061; Pool FQDN: lync-edge.raymondjames.com; Down Time: 0:36
Cause: The specified service(s) are unavailable.
Resolution:
Check the servers in the pool(s) on which the service(s) are installed.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="LS Protocol Stack" />
    <EventID Qualifiers="50153">14584</EventID>
    <Level>3</Level>
    <Task>1001</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2014-03-16T07:27:12.000000000Z" />
    <EventRecordID>32162</EventRecordID>
    <Channel>Lync Server</Channel>
    <Computer>EdgeServer.mydomain.com</Computer>
    <Security />
  </System>
  <EventData>
    <Data>10</Data>
    <Data>Service Address: 128.229.5.30:5061; Pool FQDN: lcs.bah.com; Down Time: 65:25
Service Address: 128.229.5.39:5061; Pool FQDN: lcs.bah.com; Down Time: 65:55
Service Address: 151.151.42.145:5061; Pool FQDN: sip.wellsfargo.com; Down Time: 66:14
Service Address: 151.151.42.148:5061; Pool FQDN: sip.wellsfargo.com; Down Time: 71:17
Service Address: 151.151.42.151:5061; Pool FQDN: sip.wellsfargo.com; Down Time: 71:17
Service Address: 151.151.42.154:5061; Pool FQDN: sip.wellsfargo.com; Down Time: 71:17
Service Address: 170.12.17.4:5061; Pool FQDN: lync-edge.raymondjames.com; Down Time: 0:36
</Data>
  </EventData>
</Event>
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Answer 1

To remove federation, verify from Topology builder that you disable lync federation.
To get round above issue. On the Edge open a remote certificate snap-in on a 2008 machine. Open another certificate snap-in of the local Edge. Copy the missing Trusted Root Certificate Authorities from the remote
machine to the Edge. This will hopefully include all the certificates relevant to your federated organizations, if not you'll need to acquire the root cert direct from the vendor.
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