• vCenter Servers Health Status Changed alarm is triggered and reset to green.
• You have VMware vCenter Server and Update Manager installed on the same Windows server.
• VMware Update Manager (located in vmware-vum-server-log4cpp.log) contains entries similar to:
  
  
  'InventoryMonitor' 53292 ERROR] [InventoryMonitor, 1433] Error while waiting for updates in InventoryMonitor Remote server closed connection after 0 response
  
  
  Note: For more information, see Locating logs for VMware vSphere Update Manager 5.0 (2038036).
  
  
• The Windows System Event logs located on the server vCenter Server and Update Manager are installed on, contain entries similar to:

Event[1]:
Log Name: System
Source: Microsoft-Windows-FilterManager
Date: YYYY-01-12T12:00:38.116
Event ID: 6
Task: N/A
Level: Information
Opcode: Info
Keyword: N/A
User: S-1-5-18
User Name: NT AUTHORITY\SYSTEM
Computer: .vmware.management.environment
Description:
File System Filter 'TmPreFilter' (6.0, YYYY-07-12T03:56:09.000Z) has successfully loaded and registered with Filter Manager.

<EVENT[2]:></>Log Name: System
Source: Microsoft-Windows-FilterManager
Date: YYYY-01-12T12:00:28.695
Event ID: 1
Task: N/A
Level: Information
Opcode: Info
Keyword: N/A
User: S-1-5-18
User Name: NT AUTHORITY\SYSTEM
Computer: xxxxxxxx.vmware.management.environment
Description:
File System Filter 'TmPreFilter' (Version 6.0, YYYY-07-12T03:56:09.000Z) unloaded successfully.