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Jonathan Neilly

Ramblings of a technonoob

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Jonathan Neilly

Month: January 2021

Working with ESXi Core Dumps

January 6, 2021 Jonny ESXCLI, ESXi, vCSA, VMware

Collecting core dumps gives VMware support (and massochists) something to evaluate in the event of an ESXi PSOD. Collecting and viewing ESXi core dumps involves serveral elements- ESXi configuration, collector configuration and a dump viewer.

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Perfmon: ‘Unable to Add These Counters’

January 5, 2021 Jonny Microsoft Windows Server 2012

I found myself in a situation recently where a Windows Server 2012 R2 instance suddenly began suffering from high CPU utilisation. Briefly watching process CPU usage in Task Manager showed the Windows Management Instrumentation (WMI)

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Fully Disable IPv6 DHCP on Windows Server

January 5, 2021 Jonny IPv6, Networking, Windows Server 2016

I’ve been playing with IPv6 around the lab recently, doing a bit of OCD IPv4 style subnetting except with, ya know, stupidly long addresses. Off I’d went to the GUI to configure static addressing as

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VMware Certified Professional Data Center Virtualisation 2020

Recent Posts

  • Patching VMware vCSA 6.7 via Command Line
  • Working with ESXi Core Dumps
  • Perfmon: ‘Unable to Add These Counters’
  • Fully Disable IPv6 DHCP on Windows Server
  • ISCSI, Delayed ACK and the Confused VMware Hypervisor

Recent Comments

  • Gronker on Perfmon: ‘Unable to Add These Counters’
  • Jan Carsten on Fixing vCenter Error: “Another task is already in progress”
  • Jonny on Perfmon: ‘Unable to Add These Counters’
  • Juan Carbutt on Perfmon: ‘Unable to Add These Counters’
  • EReed on ‘Connection Control Operation Failed for Disk’ with Content Libraries

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