On a clean install of WS 2012 and Exchange 2013, with Exchange CU1 applied, and all updates applied, Application Error Event ID 1000 occurs every six minutes. Faulting application name: MSExchangeHMWorker.exe, version: 15.0.620.20, time stamp: 0x512193d2 Faulting module name: Windows.Devices.Sensors.dll, version: 6.2.9200.16384, time stamp: 0x50108ff4 Exception code: 0xc0000005 Fault offset: 0x000000000002f608 Faulting process id: 0x285c Faulting application start time: 0x01ce36911c98e7e5 Faulting application path: C:\Program Files\Microsoft\Exchange Server\V15\Bin\MSExchangeHMWorker.exe Faulting module path: C:\Windows\System32\Windows.Devices.Sensors.dll Report Id: 1f7136b9-a285-11e2-9403-00270e2edb3d Faulting package full name: Faulting package-relative application ID: . There is no anti-virus or anti-malware product installed on the server. Exchange 2013 Anti-Malware is installed/enabled. Ideas/thoughts welcome. Doc Computers verified since 1972

Follow-UP - I have paused the MSExchangeHM service. . Things are very nice and quiet now. . Doc Computers verified since 1972