Event 20050: Certificate?

Hello,

Several times a day I have the following critical event 20050 in the Operations Manager Log

Log Name:      Operations Manager
Source:        OpsMgr Connector
Date:          2/25/2014 7:35:04 AM
Event ID:      20050
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      OPMGRRMS1.ad
Description:
The specified certificate could not be loaded because the Enhanced Key Usage specified does not meet OpsMgr requirements.   The certificate must have the following usage types:
 Server Authentication (1.3.6.1.5.5.7.3.1)
 Client Authentication (1.3.6.1.5.5.7.3.2)

Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"><System><Provider Name="OpsMgr Connector" /><EventID Qualifiers="49152">20050</EventID><Level>2</Level><Task>0</Task><Keywords>0x80000000000000</Keywords><TimeCreated SystemTime="2014-02-25T15:35:04.000Z" /><EventRecordID>217140193</EventRecordID><Channel>Operations Manager</Channel><Computer>OPMGRRMS1.ad</Computer><Security /></System><EventData></EventData></Event>

What should I do?

Thanks,

Dom

System Center Operations Manager 2007 / System Center Configuration Manager 2007 R2 / Forefront Client Security / Forefront Identity Manager