Cheng's Random Thoughts on System Management

Senior Program Manager, MSD

Cheng's Random Thoughts on System Management

  • Install and uninstall VMM agent on Windows 2008 Server Core

    Since Windows 2008 Server Core does not come with Graphical UI, managing things on Core can be a bit challenging for folks who are used to the various administrator consoles. Luckily, here is a handy dandy command reference: http://www.microsoft...
  • System Center 2012 VMM OVF Export / Import Tool is available now.

    Greetings folks! Microsoft is committed to interoperability and openness in the products and services we provide, as evidenced by our multi-hypervisor and standard-based storage management features in System Center 2012. Today, we have taken this...
  • Update on VMM refreshers - what has changed and what this means to you

    Good day, folks! Since System Center 2012 SP1 Beta was released last week, we’re super excited to receive raving interests & feedback just over the past few days. I’d like to briefly talk about one of the major investment areas...
  • What you need to know about Maintenance Mode

    Hello folks, As you can see from the news , we’ve released our beta for SCVMM 2008 R2, which offers support to Windows Server 2008 R2 (live migration, etc.) and a bunch of exciting new features. Today, I wanted to introduce to you our...
  • Unable to add host or hosts in "Needs Attention" state (SCVMM 2008 Beta)?

    These are probably two of the most frequently asked questions in the Technet SCVMM forum . I'm unable to add host, what did I do wrong? What do I need to do when I have host in "Needs Attention" state or my "Connection Status" is "Not Responding...
  • Shrink your VHD size

    Hello there, Happy New Year! We had a pretty big snow storm during the past Christmas in Seattle area. Wherever you are, I hope you had a safe and relaxing Christmas and / or New Year holiday! If you are still new to VMM, today I'm going to show...
  • Microsoft working with OVF community to improve virtual machine interoperability

    Hello, I wanted to send out this quick note to update everyone on our continued focus on and commitment to portability and interoperability using OVF. We have gained valuable on-the-ground experience to ensure interoperability with our partners such...
  • When should I consider running my VMM Service by using a domain account?

    Greetings folks! Hope you all had a good Valentine weekend last week! If you noticed, during your VMM Server installation, there is an option of allowing you to select a different account to run VMM Server service (VMMService) from the default...
  • What ELSE can I do when my host is in Not Responding state?

    After I posted " What to do when my host is in Not Responding state? ", I received a few queries about the issues people ran into. I captured my notes when explaining some of the errors folks reported. I thought that it might be interesting to share...
  • All about refreshers ...

    If you have been using VMM for a while, you’ve probably figured out that we use various “refreshers” to pull data from the hosts and VMs that we manage. When deploying VMM in various sized environments, depending on the perf/scale requirements...
  • DFS on VMM Library

    We have seen some questions around DFS and VMM Library. Here is an attempt to explain how VMM would behave when deployed in such an environment and what customers should expect before doing so. First of all, what is DFS ? DFS stands for Distributed...
  • How to collect SCVMM traces

    In order to diagnose a failure scenario, it is normally required to reproduce the issue and collect traces at the same time. Here are the instructions on how to collect the traces: From what computer should I collect the trace? If it’s...
  • System Center 2012 SP1 CTP2 SPF Installation Issue

    Greetings folks, After we released our System Center 2012 SP1 CTP2 release , we've received a lot of feedback. Thank you very much for trying out our latest preview on our exciting SP1 release! Among all new features / improvements in SP1, Service...
  • Got a "Bad Gateway"?

    Greetings, folks! Hope you had a great Easter on last Sunday, if you celebrate that holiday! My kids certainly enjoyed hunting eggs in a typical Seattle drizzling Saturday morning. J This blog entry is for folks who use or plan to use VMM...
  • SCVMM and Network Ports We Use for Communication

    More than often, deploying SCVMM server and managing VM hosts require coordination with your network admins. One of the frequently asked questions is "What ports should I ask my network guy to open for me in order to allow SCVMM server to talk to the...
  • What’s new in VMM 2008 R2 RC?

    Greetings, folks! Hope you had a good Mother's Day weekend (if you celebrate that holiday)! Since VMM R2 Beta was released, the team has been working hard in incorporating feedback from customers. Here is a nice blog from Vishwa that explains...
  • NIC teaming and VMM

    Greetings folks, NIC Teaming , also called “Load Balancing and Fail-Over” (LBFO) or “Link Aggregation” or “IEEE 802.1AX-2008”, groups multiple interfaces to provide fault tolerance and load balancing for Network...
  • VMM 2008 Architecture

    If you are in MMS 2008 , you've probably seen this architecture diagram: For folks who did not get a chance to go, here are some of the key architectual characteristics that I'd like to point out: On the top-left corner, notice that the...
  • How to collect WinRM traces

    Since “ How to collect SCVMM traces ” and “ What to do when I have hosts in Needs Attention state? ” are published, we've seen requests on how to further debug WinRM/WMI issues that lead to VMM AddHosts failures. It’s...
  • Managing VM hosts in a disjoint namespace environment

    Greetings folks and Happy Chinese New Year to you if you celebrate that cultural tradition! Today, I wanted to talk about a topic that many of our TAP customers have requested support for during our VMM 2008 release development phase. We’ve...
  • Removing an ESX host or stopping managing an ESX host?

    We have heard some feedback that some of our customers did not expect VMM to remove an ESX host when a "Remove" action was requested for an ESX host managed through VirtualCenter Server (VC) by VMM Server. So, I think that it might be worth to talk about...
  • User Role Management and Self-Service in SCVMM 2008 Beta

    One of the key new investments in SCVMM 2008 is a significantly improved User Role Management. In other products, you may see the same concept referred as Role Base Access Control (RBAC) or other terms. In a nutshell, comparing with the two user roles...
  • VMM Configuration Analyzer 2008 is now available for download!

    Greetings folks, Today, I've got a guest poster, Carmen Asher, one of my colleagues in VMM team. Carmen is the program manager responsible for SCVMM Configuration Analyzer 2008. Her post below provides you with all the information you need to know...
  • Intelligent Placement in SCVMM 2008

    Intelligent Placement feature is one of the unique functionalities that you will only find in Microsoft virtualization technology offerings. In VMM 2008, we continue expanding support of our intelligent placement functionality into those newly supported...
  • VMM Network Location and Network Tag

    Hello there! Today I got a guest poster, my colleague, David Armour. David is a senior program manager responsible for SCVMM 2008's Networking feature. Based on the questions he has seen on the Technet SCVMM forum , he wanted to post this information...