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Event ID: 2120 Source: HealthService

The Health Service has deleted one or more items for management group "<management group name>" which could not be sent in 1440 minutes.
From a newsgroup post: "The Event ID 2112 is a general warning, which generally indicates that data is being dropped because the agents are generating more data than the server can process. You can try the following steps to resolve it.
1. Did you install any Management Pack before this happens? Try to uninstall it if yes.
2. Try to clear the data store on the problematic machines by following the steps:
a)Stop the OpsMgr Health Service on the agent.
b)Backup and then delete all files in C:\Program Files\System Center Essentials 2007\Health Service State\Health Service Store.
c)Start the OpsMgr Health Service.
d)Verify the files under C:\Program Files\System Center Essentials 2007\Health Service State\Health Service Store were recreated.
e)Monitor the event log to see if the events disappeared".

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