VSS Warning 8230 on SBS 2011 (The specified local group does not exist)

I am getting the following VSS error on SBS 2011.  Any insight into what it means?

Log Name:      Application
Source:        VSS
Date:          1/12/2012 1:35:20 PM
Event ID:      8230
Task Category: None
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      SBS.organization.int
Description:
Volume Shadow Copy Service error: Failed resolving account spsearch with status 1376. Check connection to domain controller and VssAccessControl registry key.

Operation:
   Initializing Writer

Context:
   Writer Class Id: {4dc3bdd4-ab48-4d07-adb0-3bee2926fd7f}
   Writer Name: Shadow Copy Optimization Writer

Error-specific details:
   Error: NetLocalGroupGetMemebers(spsearch), 0x80070560, The specified local group does not exist.

Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="VSS" />
    <EventID Qualifiers="0">8230</EventID>
    <Level>3</Level>
    <Task>0</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2012-01-12T18:35:20.000000000Z" />
    <EventRecordID>109138</EventRecordID>
    <Channel>Application</Channel>
    <Computer>SBS.organization.int</Computer>
    <Security />
  </System>
  <EventData>
    <Data>spsearch</Data>
    <Data>1376</Data>
    <Data>

Operation:
   Initializing Writer

Context:
   Writer Class Id: {4dc3bdd4-ab48-4d07-adb0-3bee2926fd7f}
   Writer Name: Shadow Copy Optimization Writer

Error-specific details:
   Error: NetLocalGroupGetMemebers(spsearch), 0x80070560, The specified local group does not exist.
</Data>
    <Binary>2D20436F64653A20534543534543524330303030313937322D2043616C6C3A20534543534543524330303030313735362D205049443A202030303031353130342D205449443A202030303030353030302D20434D443A2020433A5C57696E646F77735C73797374656D33325C76737376632E6578652020202D20557365723A204E616D653A204E5420415554484F524954595C53595354454D2C205349443A532D312D352D313820</Binary>
  </EventData>
</Event>

Thank you