Knight-time Ramblings

Meandering thoughts of the Knight household, mostly work and technology related guff.

Thursday, December 09, 2021

Fixing Exchange Admin Center > Mail Flow > Rules in Incognito Mode

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Yet another example of Microsoft's inability to provide a polished implementation of, well, anything. To overcome the HTTP 500 Something...
Thursday, July 01, 2021

Fixing DISM /restorehealth Issues on Windows 10, Server 2016 / 2019

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My notes on repairing broken systems that no longer install updates.  When /restorehealth fails, check the following: Perform chkdsk /f on B...
Wednesday, January 27, 2021

STOP 0x74 on Windows Virtual Machines

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 So I've been running into this a fair bit of late. After chasing down the rabbit hole on the first one, worrying about virtual disk cor...

RDP to Windows 7/8.1/10 - "An Internal Error Has Occurred" or Black Screen Upon Connection

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I've had this error pop up from time to time. Most of the time turning off Persistent Bitmap Caching fixes the problem. It can also fix ...
Wednesday, January 03, 2018

Windows Server Essentials 2016 In-Place Upgrade

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If anyone else is dumb enough like me to in-place upgrade their 2012 R2 Essentials install to 2016 Essentials, then there's some extra s...

Set Up a Sophos Access Point on a Sophos Firewall in a Different Subnet

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My first experience with a Sophos Access Point was a painful affair, as the Access Point (an AP55) was on a subnet sitting behind a separate...
Thursday, September 03, 2015

Throttle WSUS Bandwidth During Business Hours

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I keep forgetting the appcmd syntax to set/unset maxBandwidth so I can throttle overall WSUS downloads. This gives me the benefit of reducin...
1 comment:
Wednesday, July 29, 2015

Creating a Bootable Mac OS X Mavericks ISO

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I'm never going to remember this next time I have to do it - saving it for posterity (and the ability for me to find it easily). The or...
Wednesday, October 30, 2013

Reset 30 Day Grace Timer for Windows XP/Windows Server 2003

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I had to do this today as part of recovering a system from hardware failure. This won't be the last time I'll have to do this, so do...

iOS 3CXPhone Settings for Internode

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This is the 3CXPhone profile settings on my wife’s iPhone 4S to connect to her Internode NodePhone account (so I don’t forget it for next ti...
Monday, May 06, 2013

Microsoft Online Speed Test Alternative

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I keep forgetting this, but the old Microsoft Online Speed Test tool that was at http://speedtest.microsoftonline.com/ is no longer active....
Monday, February 04, 2013

Can’t Start Hyper-V VMs with Event ID 12140, 12010 and 12030

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Had a few Hyper-V host systems today that after rebooting failed to restart the VMs that were set to auto-restart. No updates had been insta...
Friday, November 23, 2012

Installing .NET Framework 3.5 on Windows Server 2012 and Windows 8

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If you're getting an installation error code of 0x800F0906 while trying to install .NET Framework 3.5 on a Windows 8 or Windows Server 2...
Tuesday, October 23, 2012

Microsoft Camera Codec Pack Update for Windows 8 and Windows 8 RT – Woot!

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Microsoft have released an update for Windows 8 and Windows 8 RT that provides support for device-specific RAW formats, allowing you to prev...
Monday, August 13, 2012

Hyper-V Integration Components for FreeBSD – Patchfiles

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Call me old fashioned, but I’d much prefer a patchset than having to install a version control package and suck down a source code check out...
17 comments:
Friday, August 10, 2012

Hyper-V Integration Components for FreeBSD 8.2 has landed!

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The Microsoft Openness Blog has just announced that the github repository for FreeBSD 8.2 Hyper-V integration components is now live! This...
Tuesday, July 31, 2012

Agentless Bandwidth Testing on Windows

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I needed BWping and HTTPing running on Windows for bandwidth and latency testing of some 3G WAN tails so I compiled them using Cygwin . Th...
Monday, July 16, 2012

Null Routes on Windows 7

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Null routes are a useful way to quickly discard packets from an unwanted address or network, especially when you’ve not got immediate or an...
Tuesday, June 12, 2012

Recovering from WinRM Authentication Lockout

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If like me you’re silly enough to lock yourself out of WinRM by removing Kerberos and Negotiate authentication from the WinRM client, you’ll...
10 comments:
Thursday, December 22, 2011

Useful Network Connectivity Tool

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Off the back of my previous Windows Server Developer Preview problem I also came across the Microsoft Internet Connectivity Evaluation Tool ...

Windows Server 8 Developer Preview - Networking Problem

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So I fired up a copy on a spare whitebox only to find HTTP and SMB outbound traffic timing out. Bizarrely ping and traceroute were working, ...
Friday, September 02, 2011

Images Are Fixed Now

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I've restored all the blog images now. Did I mention I hate Picasa Albums?
Thursday, September 01, 2011

Broken Images on Blog :-(

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I've broken all but one image reference on the blog :-( Please be patient with me while I resurrect them - somehow Windows Live Writer c...
Wednesday, August 24, 2011

Windows DHCP Server – MMC Console Icons Reference

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The DHCP Server MMC Snap-in annoyingly doesn’t have a legend for what the icons mean. Every time I debug a DHCP Server-related issue I’ve fo...
1 comment:

Emulating %LOGONSERVER% For Computer Startup Scripts

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%LOGONSERVER% is a useful environment variable to use in logon scripts to see which DC has serviced your request and can be handy to referen...
5 comments:
Monday, August 22, 2011

Workarounds For When “Add Virtual Hard Disk Wizard” Fails (Which Seems To Be All The Time…)

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Adding new fixed sized VHDs using the Add Virtual Hard Disk Wizard in the Hyper-V console for some reason has stopped working for me on just...
Thursday, August 18, 2011

Navigating Remote Symlinks on a Windows Server from a Windows Client (or, Poor Man’s DFS Links Without DFS Installed)

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I set up a bunch of symlinks in a share on a Windows Server 2008 R2 install, pointing to a range of different UNC paths. My testing on the s...
6 comments:

Outsourced Authentication – Smart or Dumb?

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A couple of months ago I closed my Facebook account, partly because of the continual privacy abuse by Facebook, but mostly because of what I...
1 comment:
Friday, August 12, 2011

Office 2010 SP1 Is Death For Access Developers

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My talented wife started complaining last week that Microsoft Access started continually crashing trying to open databases after performing ...
Tuesday, August 09, 2011

FreeBSD 8.1, 8,2 and Hyper-V R2 SP1 Install Problem - Use Fixed Size VHDs

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Just tried installing FreeBSD 8.1 and 8.2 virtual machines on a Windows Server 2008 R2 Core install with the Hyper-V role installed and with...
2 comments:
Monday, February 28, 2011

Running chkdsk on a Drive Allocated to Windows Server Backup

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Occasionally I see Windows Server Backup throw odd errors pointing to problems with the disk allocated to Windows Server Backup, such as the...
10 comments:
Wednesday, February 23, 2011

Cannot Install RSAT on Windows 7 with SP1

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If you try and install Remote Server Administration Tools for Windows 7 on a Windows 7 PC with SP1 installed, you’ll get the following erro...
Tuesday, February 01, 2011

IPocalypse Now + Resources to Learn IPv6

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Happy IPocalypse Day – APNIC today were allocated the two remaining /8 networks from IANA . This means that all the free IP addresses have n...
Saturday, December 04, 2010

Windows Home Server on Hyper-V – Resizing the Partition

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Yes I know that Windows Home Server has Drive Extender. Yes I know that Drive Extender makes adding storage space easy and is a brilliant pi...

Compiling Firebird 1.5.x on FreeBSD 4.x Requires GCC 3.2

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Note to self: when compiling 5+ year old code on a 5+ year old operating system, it helps to use a version of GCC that compiles the resultan...
Wednesday, July 28, 2010

Resetting MMC User Preferences (Restoring Column Sort Orders)

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One of the things that annoys me about MMC is the inability to remove column sort orders. In particular I like the default sort order for th...
1 comment:
Tuesday, June 15, 2010

When the PC BIOS Doesn’t Support Booting From CD-ROM

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One of my clients had a bunch of older Pentium 4 PCs that they wanted configured as proxy servers for their branch offices. My Open Source...

Don’t Use An SMP Kernel When Virtualising FreeBSD 6.4 On VMWare ESX/ESXi

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One of my clients has some FreeBSD 6.4 installs on hardware that is slowly dying and asked me to virtualise them onto an HP ProLiant ML350 G...
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