IPS V7 Global Correlation

Dear all,
IPS Correlation update will be done through the Management interface right? So I should confirm the ability of the IPS Management IP address to be able to access internet right?
I did so, but still not able to have global correlation update, what I am having each time I enable global correlation is a boost of traffic generated from the IPS and directed to the outside that is consuming the total internet link bandwidth.
What could be the reason behind this boost, and how may I troubleshoot the reason why the correlation is not being updated.
Regards,

Hi,
I had the exact same problem that I solved to day.
Full connectivity but still the error:
# sh statistics global-correlation
Network Participation:
   Counters:
      Total Connection Attempts = 0
      Total Connection Failures = 0
      Connection Failures Since Last Success = 0
   Connection History:
Updates:
   Status Of Last Update Attempt = Failed
   Time Since Last Successful Update = 3826 minutes
   Counters:
      Update Failures Since Last Success = 764
      Total Update Attempts = 22747
      Total Update Failures = 806
   Update Interval In Seconds = 300
   Update Server = update-manifests.ironport.com
   Update Server Address = 204.15.82.17
   Current Versions:
      config = 1236210407
      drop = 1312830724
      ip = 1312830846
      rule = 1312744926
# sh events error error warning past 12:00
evError: eventId=1304592381890230981 severity=error vendor=Cisco
  originator:
    hostId: xxxxxxxx
    appName: collaborationApp
    appInstanceId: 458
  time: 2011/08/11 00:38:28 2011/08/11 02:38:28 GMT+01:00
  errorMessage: name=errUnclassified A global correlation update failed: Failed download of ibrs/1.1/drop/default/1313021562 :
  URI does not contain a valid ip address
Messages, like this one, in the category - Reputation update failure - were logged 49 times in the last 14699 seconds.
I found a tip when searching that worked for me :
Issue the: dns-secondary-server disable to flush DNS wait for GC to update again.
Thanks to: http://doublef.org/archives/cisco-ips-global-correlation-update-failures 
HTH
Edit: I see a difference in our output, you don't have the ip address in update server field:
Update Server Address = Unknown
Might not bee the same problem.

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