Hello, For the second day 6/19 (2:30 - 2:34 PM) & 6/21 (2:04 - 20:07 PM) I am receiving 1500 hearbeat failures emails ... Checking with the Server Down reports and the View Hearbeat (http://blogs.technet.com/b/kevinholman/archive/2008/06/27/which-servers-are-down-in-my-company-and-which-just-have-a-heartbeat-failure-right-now.aspx) all servers came back after 2-3 minutes everything look good after 5 minutes even most of the server have not reported any probelm !!! (: Where should I look for issues? - SCOM R2 CU5 - Memory Extension installed 6/19 (morning between 6:00 am [RMS & MS] and 10:00 [DW then ACS] am the last server) on RMS, MS, DW & ACS Thanks, Dom System Center Operations Manager 2007 / System Center Configuration Manager 2007 R2 / Forefront Client Security / Forefront Identity Manager

If MS is not available, agent heartbeat which management server is MS will be loss. Please check MS /RMS event log. Roger

If MS is not available, agent heartbeat which management server is MS will be loss. Please check MS /RMS event log. Roger

The following post may helpful http://social.technet.microsoft.com/Forums/eu/operationsmanagergeneral/thread/eee35ff3-aea8-420e-b678-b8d6af304805 Roger

The following post may helpful http://social.technet.microsoft.com/Forums/eu/operationsmanagergeneral/thread/eee35ff3-aea8-420e-b678-b8d6af304805 Roger

The following post may helpful http://social.technet.microsoft.com/Forums/eu/operationsmanagergeneral/thread/eee35ff3-aea8-420e-b678-b8d6af304805 Roger

This link might be helpful let ne review this... first answer most of the servers are not virtualized. seocnd I need to review the Scan for FCS... Third Backups as welllSystem Center Operations Manager 2007 / System Center Configuration Manager 2007 R2 / Forefront Client Security / Forefront Identity Manager

This link might be helpful let me review this... first answer most of the servers are not virtualized. second I need to review the Scan for FCS... Third Backups as well System Center Operations Manager 2007 / System Center Configuration Manager 2007 R2 / Forefront Client Security / Forefront Identity Manager

This link might be helpful let ne review this... first answer most of the servers are not virtualized. seocnd I need to review the Scan for FCS... Third Backups as welllSystem Center Operations Manager 2007 / System Center Configuration Manager 2007 R2 / Forefront Client Security / Forefront Identity Manager

Hi, As this thread has been quiet for a while, we assume that the issue has been resolved. At this time, we will mark it as "Answered" as the previous steps should be helpful for many similar scenarios. In addition, wed love to hear your feedback about the solution. By sharing your experience you can help other community members facing similar problems. Thanks,Yog Li TechNet Community Support