Monthly Archives: May 2014

Exchange Server 2013–0xEF BSOD

Lately I have seen a couple of incidents where Exchange Server 2013 machines would blue screen periodically. All BSOD’s had the same bugcheck code 0xEF. From WinDBG help: 0: kd> !analyze -show 0xEFCRITICAL_PROCESS_DIED (ef)        A critical system process diedArguments:Arg1: 0000000000000000, … Continue reading

Posted in 0xEF, BSOD | Tagged | 1 Comment

DAG Node Join Fail–0x5b4

Just a quick blog and reminder for something I worked a couple of months ago, or even longer and it took a considerable amount of time to figure out. Then last week a colleague just ping me with a question … Continue reading

Posted in ExchangeDAG | Tagged , | 3 Comments

File System Cache–Dirty Pages Threshold

There are weeks where the same type of issues are reoccurring and makes you study and understand a little bit more about Windows Internals. These past two weeks I had a couple of cases involving hangs that were caused by … Continue reading

Posted in Performance, WinDBG Trick | Tagged , , | Leave a comment

PCI Parity Error

I was asked for a quick way to identify which hardware device is logging the following entry in the hardware log: A PCI parity error was detected on a component at bus 64 device 5 function 2. A dump was … Continue reading

Posted in WinDBG Trick | Tagged , | 1 Comment