Physical Server with Unity Boot LUN got rebooted during Unity SP Reboot

Issue:  Physical Server with Unity Boot LUN got rebooted during Unity SP Reboot

Errors:
Warning Host 1076      User1  The reason supplied by user XXXXX for the last unexpected shutdown of this computer is: Other (Unplanned) Reason Code: 0xa000000 Problem ID: Bugcheck String:
Error SHost       1001      Microsoft-Windows-WER-SystemErr           The computer has rebooted from a bugcheck. The bugcheck was: 0x000000d1 (0xffffe8013242b000, 0x0000000000000002, 0x0000000000000000, 0xfffff8017ad60e81). A dump was saved in: C:\Windows\MEMORY.DMP. Report Id: DDMMYY-35046-01.

Cause: this is a known issue with Microsoft Security patch and PowerPath. one of the security patches installed which caused the server to bluescreen and crash

Fix:
This is a known  issue with PowerPath and Microsoft latest update for Windows 2012 servers.
This is due to the updates by Microsoft Windows 2012 R2 update KB3185279, KB3185331, KB3192404, KB3197875, KB3197874, KB3205401 recently.
https://support.microsoft.com/en-in/help/24717/windows-8-1-windows-server-2012-r2-update-history

Please find the KB article to fix the issue
490865 : Windows 2012 R2 server crash pointing to EMC PowerPath driver EMCPMPX.SYS https://support.emc.com/kb/490865

++++++++++++++++++++++++++++++++++++++++++++++++++++
OS Name             Microsoft Windows Server 2012 R2 Standard
Version 6.3.9600 Build 9600
Other OS Description      Not Available
OS Manufacturer             Microsoft Corporation
System Name    HostName
System Manufacturer    Cisco Systems Inc
System Model   UCSB-B200-M3
System Type      x64-based PC

  manfac: Cisco Systems, Inc.
   sernum: FCH1824J0E9
    model: Cisco VIC FCoE HBA
   descrp: Cisco VIC-FCoE Storport Miniport Driver
   symblc: Cisco VIC FCoE HBA FW:2.1(3d) DRV:2.3.0.20
 
 EMC powermt for PowerPath (c) Version 6.0 SP 2 (build 206)
             
*******************************************************************************
*                        Bugcheck Analysis                                    *
*******************************************************************************
Bugcheck code 000000D1
Arguments ffffe801`3242b000 00000000`00000002 00000000`00000000 fffff801`7ad60e81

RetAddr           : Args to Child                                                           : Call Site
fffff802`9d1e3ee9 : 00000000`0000000a ffffe801`3242b000 00000000`00000002 00000000`00000000 : nt!KeBugCheckEx
fffff802`9d1e273a : 00000000`00000000 ffffe001`a31b6010 00000000`00000000 fffff801`7ad6a00c : nt!setjmpex+0x37d9
fffff801`7ad60e81 : fffff801`7ad74dbf ffffe801`270008d0 00000000`00000000 7fffffff`ffffffff : nt!setjmpex+0x202a
fffff801`7ad74dbf : ffffe801`270008d0 00000000`00000000 7fffffff`ffffffff 00000000`00000000 : EmcpMpx!EmcpMpxLogPlatfEvent+0x3f99
fffff801`7ad75236 : fffff801`7ad74f50 ffffe001`a31b68b0 ffffe001`a5400480 00000000`00000000 : EmcpMpx!EmcpMpxLogPlatfEvent+0x17ed7
fffff801`7ad62958 : ffffe001`a1e0f010 ffffe001`a0be8010 ffffe001`a0bd3be0 ffffe801`270008d0 : EmcpMpx!EmcpMpxLogPlatfEvent+0x1834e
fffff801`7ad5c1c0 : ffffe001`a16c42a0 ffffe801`270007d0 ffffe801`270008d0 ffffe801`331ae810 : EmcpMpx!EmcpMpxLogPlatfEvent+0x5a70
fffff801`7ac21dcf : ffffe001`a15e2010 00000000`00000016 00000000`00000002 00000000`00000000 : EmcpMpx!PxDsmLamUnregister+0x1d14
fffff801`7ac082d0 : 00000000`00010000 00000000`00000004 ffffe001`a16c41b0 00000000`ffffffff : MPIO!DsmGetVersion+0xb2b
fffff801`7ac08b13 : 00000000`00000000 ffffe801`331ae810 00000000`00000007 ffffe801`269d8410 : MPIO+0x82d0
fffff802`9d13043e : ffffe001`a1c4d650 ffffe801`331ae810 ffffe801`27801a01 ffffe801`c00000c0 : MPIO+0x8b13
fffff801`7b28f5b3 : ffffe801`331ae810 fffff801`7b291a00 00000000`00010000 ffffe001`a16c41b0 : nt!IoCompleteRequest+0x2fa
fffff801`7b291574 : ffffe801`2713eba0 ffffe001`a16c41b0 ffffe801`331ae810 fffff801`7b28d60e : storport!StorPortNotification+0x2173
fffff801`7b28e360 : ffffe001`a1655010 ffffe001`40200382 00000000`00010000 ffffe001`a1739400 :

Other option is to upgrade PowerPath 6.0SP2 to PowerPath 6.3 which have all the fixes above.

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