SCOM errors

Hello I just installed SCOM 2007 R2 and installed CU5. Now I see state of management server has critical and I see these error on windows logs. Any ideas what might be causing this?

Log Name:      Operations Manager
Source:        OpsMgr SDK Service
Date:          1/6/2012 11:38:37 AM
Event ID:      26319
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      SCOMPRD01.dpu.depaul.edu
Description:
An exception was thrown while processing GetUserRolesForOperationAndUser for session id uuid:b99d4e6e-5f9d-4051-93e9-6f15f632edc1;id=68.
 Exception Message: Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))
 Full Exception: System.UnauthorizedAccessException: Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))
   at Microsoft.Interop.Security.AzRoles.IAzApplication2.InitializeClientContextFromStringSid(String SidString, Int32 lOptions, Object varReserved)
   at Microsoft.EnterpriseManagement.Mom.Sdk.Authorization.AzManHelper.GetScopedRoleAssignmentsForUser(IList`1 roleNames, String userName)
   at Microsoft.EnterpriseManagement.Mom.Sdk.Authorization.AuthManager.GetUserRolesForOperationAndUser(Guid operationId, String userName)
   at Microsoft.EnterpriseManagement.Mom.ServiceDataLayer.SdkDataAccess.GetUserRolesForOperationAndUser(Guid operationId, String userName)
   at Microsoft.EnterpriseManagement.Mom.ServiceDataLayer.SdkDataAccessTieringWrapper.GetUserRolesForOperationAndUser(Guid operationId, String userName)
   at Microsoft.EnterpriseManagement.Mom.ServiceDataLayer.SdkDataAccessExceptionTracingWrapper.GetUserRolesForOperationAndUser(Guid operationId, String userName)
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="OpsMgr SDK Service" />
    <EventID Qualifiers="49152">26319</EventID>
    <Level>2</Level>
    <Task>0</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2012-01-06T17:38:37.000000000Z" />
    <EventRecordID>8906</EventRecordID>
    <Channel>Operations Manager</Channel>
    <Computer>SCOMPRD01.dpu.depaul.edu</Computer>
    <Security />
  </System>
  <EventData>
    <Data>GetUserRolesForOperationAndUser</Data>
    <Data>uuid:b99d4e6e-5f9d-4051-93e9-6f15f632edc1;id=68</Data>
    <Data>Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))</Data>
    <Data>System.UnauthorizedAccessException: Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))
   at Microsoft.Interop.Security.AzRoles.IAzApplication2.InitializeClientContextFromStringSid(String SidString, Int32 lOptions, Object varReserved)
   at Microsoft.EnterpriseManagement.Mom.Sdk.Authorization.AzManHelper.GetScopedRoleAssignmentsForUser(IList`1 roleNames, String userName)
   at Microsoft.EnterpriseManagement.Mom.Sdk.Authorization.AuthManager.GetUserRolesForOperationAndUser(Guid operationId, String userName)
   at Microsoft.EnterpriseManagement.Mom.ServiceDataLayer.SdkDataAccess.GetUserRolesForOperationAndUser(Guid operationId, String userName)
   at Microsoft.EnterpriseManagement.Mom.ServiceDataLayer.SdkDataAccessTieringWrapper.GetUserRolesForOperationAndUser(Guid operationId, String userName)
   at Microsoft.EnterpriseManagement.Mom.ServiceDataLayer.SdkDataAccessExceptionTracingWrapper.GetUserRolesForOperationAndUser(Guid operationId, String userName)</Data>
  </EventData>
</Event>