AppFabric Cache Error:The AppFabric Caching Service service terminated unexpectedly

Question

I am running cluster machine in Virtual Box in domain, by default service is running under Network service , service stopped all the time with the following error in the event log.

please find the error details from error log below. any help will be great.

Log Name:  System
Source:  Service Control Manager
Date:   21-07-2010 16:42:07
Event ID:  7034
Task Category: None
Level:   Error
Keywords:  Classic
User:   N/A
Computer:  
Description:
The AppFabric Caching Service service terminated unexpectedly. It has done this 5 time(s).
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"&gt;
 <System>
 <Provider Name="Service Control Manager" Guid="{555908D1-A6D7-4695-8E1E-26931D2012F4}" EventSourceName="Service Control Manager" />
 <EventID Qualifiers="49152">7034</EventID>
 <Version>0</Version>
 <Level>2</Level>
 <Task>0</Task>
 <Opcode>0</Opcode>
 <Keywords>0x80000000000000</Keywords>
 <TimeCreated SystemTime="2010-07-21T14:42:07.000Z" />
 <EventRecordID>13342</EventRecordID>
 <Correlation />
 <Execution ProcessID="0" ThreadID="0" />
 <Channel>System</Channel>
 <Computer>
 <Security />
 </System>
 <EventData>
 <Data Name="param1">AppFabric Caching Service</Data>
 <Data Name="param2">5</Data>
 </EventData>
</Event>

thanks for the support.

kazim