InstallMandatoryUpdates failed, error 80040708 UpdatesDeploymentAgent

Hello,

Several serevrs are showing the same error in the Updatesdeployment.log and they miss somes updates...

Request received - IsPaused UpdatesDeploymentAgent 6/14/2010 11:43:51 AM 8028 (0x1F5C)
Request received - IsPaused UpdatesDeploymentAgent 6/14/2010 11:43:51 AM 8028 (0x1F5C)
Request received - Pause UpdatesDeploymentAgent 6/14/2010 11:43:51 AM 1452 (0x05AC)
Request received - RefreshTargetedUpdates UpdatesDeploymentAgent 6/14/2010 11:44:22 AM 1452 (0x05AC)
Starting updates assignments redetection. UpdatesDeploymentAgent 6/14/2010 11:44:22 AM 1452 (0x05AC)
None of the assignments requires redetection. UpdatesDeploymentAgent 6/14/2010 11:44:22 AM 1452 (0x05AC)
Request received - InstallMandatoryUpdates UpdatesDeploymentAgent 6/14/2010 11:44:22 AM 3472 (0x0D90)
No actionable updates for install task. No attempt required. UpdatesDeploymentAgent 6/14/2010 11:44:22 AM 3472 (0x0D90)
InstallMandatoryUpdates failed, error 80040708 UpdatesDeploymentAgent 6/14/2010 11:44:22 AM 3472 (0x0D90)
Request received - RefreshTargetedUpdates UpdatesDeploymentAgent 6/14/2010 11:44:23 AM 1452 (0x05AC)
Starting updates assignments redetection. UpdatesDeploymentAgent 6/14/2010 11:44:23 AM 1452 (0x05AC)
None of the assignments requires redetection. UpdatesDeploymentAgent 6/14/2010 11:44:23 AM 1452 (0x05AC)
Request received - InstallMandatoryUpdates UpdatesDeploymentAgent 6/14/2010 11:44:24 AM 8028 (0x1F5C)
No actionable updates for install task. No attempt required. UpdatesDeploymentAgent 6/14/2010 11:44:24 AM 8028 (0x1F5C)
InstallMandatoryUpdates failed, error 80040708 UpdatesDeploymentAgent 6/14/2010 11:44:24 AM 8028 (0x1F5C)
Request received - Resume UpdatesDeploymentAgent 6/14/2010 11:44:25 AM 1452 (0x05AC)
No pending install assignment UpdatesDeploymentAgent 6/14/2010 11:44:25 AM 6132 (0x17F4)
No other installations in pipeline. No reboot required. UpdatesDeploymentAgent 6/14/2010 11:44:25 AM 6132 (0x17F4)

Any idea?

Thanks,
Dom