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One of great features that comes with vCenter (Virtual Center) is templates. Templates makes it possible to deploy your VM’s very easily from a preconfigured VM. As an VMware administrator you expect your  templates are always ready when you need then. So its very frustated when you’re template are unavailible. Disconnected template are one of the most common problems i’ve seen in the field so far.

To restore your template to a normale state you can reboot the ESX host where the disconneted template is located. This option is not alway possible during business hour, so up to plan B.

Connect to the service console of the ESX host and run /sbin/service mgmt-vmware restart
All the VM’s on the ESX host will keep running and the managent agent will be restarted. You’re template(s) should be restored to connected in vCenter.

VMware has release the evaluation versions of there latest virtualization product vSphere 4. VMware has change the name of VMware Infrastructure to VMware vSphere. vSphere 4 is the first serious cloud computing OS availible on the market.

VMware ESX 4 Version: 4 | 2009/05/21 | Build: 164009 Download

VMware ESXi 4 Versson: 4 | 2009/05/21 | Build: 164009 Download

VMware vCenter Server 4 Version: 4 | 2009/05/21 | Build: Log in for build number. Download

VMware Consolidated Backup Version: 1.5 Update 1 | 2009/05/21 | Build: 150805 Download

VMware Data Recovery Version: 1.0 | 2009/05/21 | Build: 164675 Download

VMware vShield Zones Version: 1.0 | 2009/05/21 | Build: R1.0G68 Download

Cisco Nexus 1000V Virtual Ethernet Module Version: 1.0 | 2009/05/21 | Build: 27-0.4.2 Download

You ever wishes to manage your VI3 enviroment with your mobile phone?? With VMware vCenter Mobile Access you can! There will be a technology preview version availible in April 2009. Check the following link for more info: http://communities.vmware.com/community/beta/vcmobileaccess

When you try to install the new Virtual Infrastructure client on a Windows Vista 64bit you will receive the following error:

Use the following step to create a installable MSI file. 

1. Run the installer. While it is sitting in the error message about needing a 32 bit OS find and copy “VMware Infrastructure Client 2.5.msi” in a subdirectory of the system temporary directory.
2. Find an MSI table editor. You can get one called Orca from a Microsoft SDK. (Search for orca.msi.)
3. Using orca, open the .msi file and delete the LaunchConditions steps from InstallUISequence and from InstallExecuteSequence. This new .msi file will install the program.
4. Trying to connect to a VM will now probably fail. This is because it needs to run in a 32 bit managed environment and the default is 64. Use corflags.exe from Visual Studio to set the 32 bit env flag on the VI Client binary itself, using “corflags VpxClient.exe /32BIT+” in “C:\Program Files (x86)\VMware\Infrastructure\Virtual Infrastructure Client\Launcher”. To get corflags.exe download the Visual Studio SDK http://www.microsoft.com/downloads/details.aspx?FamilyID=1aef6fce-6e06-4b66-afe4-9aad3c835d3d&DisplayLang=en

FastSCP is trying open a connection on port 2500/tcp, which is blocked by default by ESX 3.5 firewall.

When you want to change the IP address of the VMware ESX Service Console you can use the Service Console command-line tool “esxcfg-vswif”. You also need to change a couple of files which include network settings. I prefer the editor “Nano” to edit the configuration files. Perform the following step to change the SC IP address.

Logon to the service console

List the Service Console network settings:
esxcfg-vswif -l

Remove the Service Console configuration:
esxcfg-vswif -d vswif0

Add a new Service Console configuration:
esxcfg-vswif -a vswif0 -p Service\ Console -i xx.xx.xx.xx -n yy.yy.yy.yy -b zz.zz.zz.zz
xx.xx.xx.xx new SC ip address
yy.yy.yy.yy new SC subnet mask
zz.zz.zz.zz new SC broadcast address