Today I’ve updated my vSphere 5 hosts witch patch 1 released one week ago. Before I started the build number was VMware ESXi 5.0.0 469512:

To update the host I used PowerCLI, the code:
Get-VMHost esx02.vmpros.lan | Set-VMHost -State Maintenance
$DataStore = Get-VMHost esx02.vmpros.lan | Get-Datastore ESX02_VMFS01
Copy-DatastoreItem C:\vmpros\patch1\ $DataStore.DatastoreBrowserPath -Recurse
Get-VMHost esx02.vmpros.lan | Install-VMHostPatch -Hostpath "/vmfs/volumes/ESX02_VMFS01/patch1/metadata.zip"
The script will upload the content of the update-from-esxi5.0-5.0_update01.zip located at your local computer (which running PowerCLI) to the selected datastore. Then the update installation will start.
Update installation process:

WARNING: The update completed successfully, but the system needs to be rebooted for the changes to be effective.
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Today VMware released ESXi 5.0 Update 1 with a download size of 564 mb
The update contains multiple bug/hotfixes bundled in Update 1, some more information:
This patch release contains the bug fixes for ESXi. For more information, see the KB articles for the individual bulletins.
For information about the issues fixed with the ESXi-5.0.0-20120301001s-standard image profile, see KB 2012673.
For information about the issues fixed with the ESXi-5.0.0-20120301001s-no-tools image profile, see KB 2012674.
For information about the issues fixed with the ESXi-5.0.0-20120302001-standard image profile, see KB 2012671.
For information about the issues fixed with the ESXi-5.0.0-20120302001-no-tools image profile, see KB 2012672.
Host Reboot Required: Yes
Virtual Machine Migration or Shutdown Required: Yes
Source: VMware
The VMware Host Update Utility can’t “Upgrade Host” your system anymore since vSphere 4.1 with the download .zip files (in my case to upgrade to vSphere 4.1 Update 1 – update-from-esxi4.1-4.1_update01.zip ) …but you can still use the “Scan for Patches” option to apply the latest patches or even full Updates.
Today I updated my ESXi 4.1.0 server to Update 1 with the VMware Host Update Utility

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Couple of weeks ago I asked on Twitter “Can anyone explain this #VMware storage view? MP status: Partial/No Redundancy.. Same cluster, same Dell Eql. SAN” .. now I was reading the release notes of vSphere 4.1 update 1 and there’s the fix…

Multipathing status for datastores that have fully redundant paths might be reported as having Partial/No Redundancy:
In the Storage View tab of vSphere Client, under certain conditions, volumes that are reported as “Partial/No Redundancy” actually have fully redundant paths. This type of misreporting occurs on iSCSI volumes with hardware initiators. VMware support called this a display bug
Cool, this issue is solved in vSphere 4.1 update 1
This release of VMware vCenter Server 4.1 Update 1 offers the following improvements:
- Additional Guest Operating System Customization Support: vCenter Server now supports customization of the following guest operating systems:
- Windows 7 SP1 (x32 and x64)
- Windows Server 2008 R2 SP1 (x32 and x64)
- RHEL 6.0 (x32 and x64)
- RHEL5.5 (x32 and x64)
- Additional vCenter Server Database Support: vCenter Server now supports the following databases:
- Microsoft SQL Server 2008 R2
- Microsoft SQL Server 2005 SP3
- Oracle 11g Standard/Enterprise Release 2, 11.2.0.1.0 or later, (x32 and x64)
- IBM DB2 9.7.2 Express C (x32 and x64)
- IBM DB2 9.7.2 Enterprise (x32 and x64)
For more information about using IBM DB2 – 9.7.2 database with vCenter Server 4.1 Update 1, see KB 1033201.
- Resolved Issues: In addition, this release delivers a number of bug fixes that have been documented in the Resolved Issues
Download: VMware
Known issue’s:
When attempting to upgrade ESX 4.0 to ESX 4.0 Update 1 (U1), you may experience these symptoms:
- Upgrade operation may fail or hang and can result in an incomplete installation
- Upon reboot, the host that was being upgraded may be left in an inconsistent state and may display a purple diagnostic screen with the following error:
COS Panic: Int3 @ mp_register_ioapic
To download the newest (re-released) Update 1 check url:
http://downloads.vmware.com/d/info/datacenter_downloads/vmware_vsphere_4/4
Symptoms:
Upgrading virtual hardware in ESX 4 may cause Windows 2008 disks to go offline.
Upgrading virtual hardware from version 4 to version 7 may cause Windows 2008 disks to go offline.
Creating a new virtual machine on hardware version 7 may cause Windows 2008 disks to go offline.
Note: The first disk (C: drive) is not affected. Any additional disks may be affected and show marked as Offline within Disk Management.
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When attempting to upgrade ESX 4.0 to ESX 4.0 Update 1, you may experience the following symptoms:
- Update Manager (VUM) upgrade operation fails or times out at 33%.
- Upon reboot, the host that was being upgraded displays a purple diagnostic screen with the following error:
COS Panic: Int3 @ mp_register_ioapic
Customers using VMware vSphere 4 upgrading to Update 1 with 3rd party management agents running.
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What’s New
The following information provides highlights of some of the enhancements available in this release of VMware ESX:
VMware View 4.0 support – This release adds support for VMware View 4.0, a solution built specifically for delivering desktops as a managed service from the protocol to the platform.
Windows 7 and Windows 2008 R2 support –This release adds support for 32-bit and 64-bit versions of Windows 7 as well as 64-bit Windows 2008 R2 as guest OS platforms. In addition, the vSphere Client is now supported and can be installed on a Windows 7 platform. For a complete list of supported guest operating systems with this release, see the VMware Compatibility Guide.
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