John Howard - Senior Program Manager in the Hyper-V team at Microsoft

Senior Program Manager, Hyper-V team, Windows Core Operating System Division.

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  • Blog Post: Post domain migration - removing sidHistory

    After a successful domain migration, you may be in a situation where it is necessary to remove the sidHistory attributes from objects in your new domain. There are many ways to do this, and many migration tools provide that capability straight out of the box. You could of course use something like ADSIEdit...
  • Blog Post: Avoiding UAC prompt starting Hyper-V Manager

    An interesting question was posed to me a couple of days back about why when starting Hyper-V Manager, you get a UAC prompt, yet you don't with most other Microsoft Administrative MMCs. You should note that the workaround in here only applies to Windows 7/Windows Server 2008 R2, and is not a supported...
  • Blog Post: ISA Server cannot load the property page 0xc0040357 on export or backup

    How to fix the following error on ISA 2004 backup or export: ISA Server cannot load the property page. Error: 0xc00403557 The Server referenced by Array [ArrayName] does not exist A bit off topic for my usual blogging activities, but I had to share the resolution to this problem with you. I've...
  • Blog Post: How to use uniquely identify a virtual machine in Hyper-V

    When managing a large number of virtual machines, there is often a need to tag it in some way with one or more properties uniquely identifying it for administrative purposes. One example would be to identify a virtual machine as belonging to a person, team or business unit. The Hyper-V WMI namespace...
  • Blog Post: How to upgrade from SUS to WSUS

    Marc Shepard, a Program Manager for Microsoft in the US held a session at Tech·Ed Orlando this year about how to upgrade from SUS to Windows Server Update Services, the next version of SUS. I know this session was highly rated, and I've already listened to it from the conference website. If you don't...
  • Blog Post: Popup follow-on from yesterday

    Well, there is another difference between the msgbox function and popup method as was pointed out to me by several people. Msgbox only displays the first 1024 characters of a dialog whereas popup displays a lot more (I haven't looked to see what the actual limit is although I can certainly fill the screen...
  • Blog Post: Part 18: Infrastructure essentials Blogcast - RPC/HTTP for Outlook & Exchange - Initial Setup

    Continuing the blogcast series on infrastructure essentials. The third part of configuring RPC over HTTP for Outlook 2003 configures the registry on Exchange 2003 and ensures that IIS is correctly configured on our Exchange server. This is a critical step in ensuring that internal problems are non...
  • Blog Post: Blogcast how-to: Recorder Settings for Windows Media Encoder

    Numerous people have asked me what exact settings I used to recently record the series of VSMT blogcasts . The software I used to record the demonstrations was Windows Media Encoder , which is freely downloadable on Microsoft.com. (Note that this also works correctly under Windows Server 2003. You may...
  • Blog Post: Hyper-V: How to remove disabled virtual network adapters from the parent partition

    In May , I mentioned that we introduced a checkbox in the Hyper-V UI for Windows 7 and Windows Server 2008 R2 which determines whether a virtual NIC is created in the parent partition for External Virtual Networks. (To get a better understanding of Hyper-V networking and what this means, take a look...
  • Blog Post: Account Lockout Tools for Active Directory

    I should have posted this previously, so apologies to those who attended my recent session on AD Troubleshooting, Diagnostics and Recovery. Relating to the demonstration for registering and using the AcctInfo.dll to add a new tab to the Active Directory Users & Computers tab for users, the account...
  • Blog Post: ADS to deploy Windows XP?

    I have to admit, I'd never thought of this one. Yes, I've looked into using ADS (Automated Deployment Services) for deploying Windows Server 2003 and use it as part of the Virtual Server Migration Toolkit ( VSMT ) solution but never thought of using it to deploy Windows XP. Unsupported it may be, but...
  • Blog Post: Multimedia Card drive icons in Window Explorer

    Still jetlagged :( 2AM again. Maybe tomorrow night I'll get round to sleeping finally! So hands up everyone who's built their own MCE machine - particularly those who have MSDN, for example, and like to "test" :) And... for those MCE machines, keep your hands up if you've bought one of those multi...
  • Blog Post: Proxy server configuration

    Always a co-incidence. I was writing a script a few days ago which essentially is a Technorati "pinger" for blog updates. I was writing it at home, and it was working fine. I forwarded it to a few colleagues, and wasn't expecting them to tell me that while they were physically on the Microsoft corpnet...
  • Blog Post: Blogcast: Virtual Server 2005 R2 Host Clustering How To - Part 1 of 5

    If you watched the demonstration blogcast of Virtual Server 2005 R2 I posted up at the weekend, yesterday, I ripped the environment apart to build it again from scratch so you can see how I built it. So, another blogcast series starts, but only 5 parts this time. This first part configures the shared...
  • Blog Post: Common mistakes when upgrading domains from Windows 2000 to Windows Server 2003

    In my line of work, I talk to lots of people about the "hows" of upgrading to the latest and greatest technology. Consequently, I've referred many people to the link below which is a great source of tips and links to other information worth considering when upgrading your domain from Windows 2000 to...
  • Blog Post: Media Centre (MCE 2005) changing 4:3 to 16:9 aspect ratio and zoom mode patch

    Having bought a 17" widescreen media centre PC at christmas, I was struggling to work out why the screen had reverted back to 4:3 aspect ratio and how to change it back. This was a tough nut to crack with neither the MCE help, intuition or the Internet turning over many stones (unless I just wanted to...
  • Blog Post: Blogcast on Virtual Server Migration Toolkit (VSMT) - Part 3

    If you missed my two previous postings in this series of blogcasts walking you through a VSMT migration of an NT4 server into a virtual machine running under Microsoft Virtual Server 2005, part one can be viewed here , and part two can be viewed here . This blog provides links to the next two blogcasts...
  • Blog Post: Part 7: Infrastructure essentials Blogcast - Our first certificate authority

    Continuing the blogcast series on infrastructure essentials. We're now moving towards making Outlook Web Access (OWA), Outlook via RPC/HTTP and ultimately VPN connectivity available from the Internet. To make access from the Internet secure, we need a means to be able to encrypt the traffic from the...
  • Blog Post: MSN Messenger 5.1 Tab Functions

    I just stumbled across Marts blog entry and thought this was such a cool way to use of the tabbed capability of Windows Messenger 5.1 to embed a view of your Exchange email. Had to share it! Nice one Mart & Stef- great tip.
  • Blog Post: Part 13: Infrastructure essentials Blogcast - Receive external email through POP3 polling

    Continuing the blogcast series on infrastructure essentials. Unlucky 13 for some - it certainly was for me, I had to record it three times and still had problems along the way! Oh, the joys of real world "live" computing! Anyway, now that we can send email externally from our Active Directory/Exchange...
  • Blog Post: How-To install a certificate for SSL Encryption under IIS

    Following on from my post a couple of days ago about using MakeCert to generate a self-signed certificate, this is one way in which you can test that the generated certificate is working correctly for SSL authentication within IIS. It was almost worthy of a blogcast (BTW, congratulations Mike for joining...
  • Blog Post: How to add the Hyper-V role to a Windows Server 2008 Server Core machine

    Soon, I promise, I will be publishing part 3 which is the workgroup server-core version of “ Hyper-V Remote Management: You do not have the requested permission to complete this task. Contact the administrator of the authorization policy for the computer ‘COMPUTERNAME’. ”. However, to get there, we need...
  • Blog Post: Blogcast: Virtual Server 2005 R2 Host Clustering How To - Part 4 of 5

    If you watched the demonstration blogcast of Virtual Server 2005 R2 I posted up at the weekend, yesterday, I ripped the environment apart to build it again from scratch so you can see how I built it. In part 3, the new cluster group for the virtual machine was created. In the penultimate part of this...
  • Blog Post: Part 22: Infrastructure essentials Blogcast - RPC/HTTP for Outlook & Exchange - Bounce OWA through Localhost

    Continuing the blogcast series on infrastructure essentials. To make the next steps clearer, here's a picture of what we're trying to achieve in combining Forms Based Authentication with RPC/HTTP, and the routes through which traffic will flow. Hopefully a picture speaks a thousand words - the blogcast...
  • Blog Post: Virtual Machine state not saved on host machine reboot

    A common problem you may find under Virtual Server 2005 (including R2) is one which hit me over Christmas after rebuilding on of my Virtual Server hosts. An age old problem which I first encountered probably back in the early days of Exchange 2000 was that the default setting in the Windows Server registry...