Directory Service Error Level - Third Error

Log Name:      Directory Service
Source:        Microsoft-Windows-ActiveDirectory_DomainService
Date:          11/18/2011 1:16:11 PM
Event ID:      1126
Task Category: Global Catalog
Level:         Error
Keywords:      Classic
User:          ANONYMOUS LOGON
Computer:      removed for security
Description:
Active Directory Domain Services was unable to establish a connection with the global catalog.

Additional Data
Error value:
8430 The directory service encountered an internal failure.
Internal ID:
3200db0

User Action:
Make sure a global catalog is available in the forest, and is reachable from this domain controller. You may use the nltest utility to diagnose this problem.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-ActiveDirectory_DomainService" Guid="{0e8478c5-3605-4e8c-8497-1e730c959516}" EventSourceName="NTDS General" />
    <EventID Qualifiers="49152">1126</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>18</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8080000000000000</Keywords>
    <TimeCreated SystemTime="2011-11-18T18:16:11.512276600Z" />
    <EventRecordID>2772</EventRecordID>
    <Correlation />
    <Execution ProcessID="524" ThreadID="740" />
    <Channel>Directory Service</Channel>
    <Computer>xxxxxxx.xxxxx.local</Computer>
    <Security UserID="S-1-5-7" />
  </System>
  <EventData>
    <Data>3200db0</Data>
    <Data>8430</Data>
    <Data>The directory service encountered an internal failure.</Data>
  </EventData>
</Event>