Ex2010 many 16022 events in application log

Hi,

we run Edge role of Ex2010 on W2k8 R2 Std.

I noticed many 16022 information events in application log. It is about 4-5 entries per minute.

Log Name:      Application
Source:        MSExchangeTransport
Date:          2012-04-11 08:45:45
Event ID:      16022
Task Category: Configuration
Level:         Information
Keywords:      Classic
User:          N/A
Computer:      EDGE1.mydomian.local
Description:
A configuration update for Microsoft.Exchange.Transport.TransportServerConfiguration has successfully completed.
Event Xml:<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"><System><Provider Name="MSExchangeTransport" /><EventID Qualifiers="16388">16022</EventID><Level>4</Level><Task>16</Task><Keywords>0x80000000000000</Keywords><TimeCreated SystemTime="2012-04-11T06:45:45.000000000Z" /><EventRecordID>1621748</EventRecordID><Channel>Application</Channel><Computer>EDGE1.mydomian.local</Computer><Security /></System><EventData><Data>Microsoft.Exchange.Transport.TransportServerConfiguration</Data></EventData></Event>