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ALERT: Snapshot consolidation causes Unexpected signal: 11

VMware Support Alert

After installing or upgrading to ESXi 5.5 Update 3, customers performing snapshot consolidation may experience virtual machines failing with the error “Unexpected Signal: 11″.

For further details, please refer to this KB article:

Snapshot consolidation causes virtual machines running on VMware ESXi 5.5 Update 3 hosts to fail with the error: Unexpected signal: 11 (2133118)

Any updates to this information will be made in the KB article itself.

Top 20 Articles for September 2015

Here is our Top 20 KB list for September 2015. This list is ranked by the number of times a VMware Support Request was resolved by following the steps in a published Knowledge Base article.

  1. VMware ESXi 5.x host experiences a purple diagnostic screen mentioning E1000PollRxRing and E1000DevRx
  2. ESXi 6.0 network connectivity is lost with NETDEV WATCHDOG timeouts in the vmkernel.log
  3. Commands to monitor snapshot deletion in VMware ESXi/ESX
  4. Permanent Device Loss (PDL) and All-Paths-Down (APD) in vSphere 5.x and 6.x
  5. Installing async drivers on VMware ESXi 5.x and ESXi 6.0.x
  6. Determining Network/Storage firmware and driver version in ESXi/ESX 4.x, ESXi 5.x and ESXi 6.x
  7. Committing snapshots when there are no snapshot entries in the Snapshot Manager
  8. Information about the error: state in doubt; requested fast path state update
  9. Estimating the time required to consolidate snapshots for VMware ESX and VMware ESXi
  10. Considerations for using software iSCSI port binding in ESX/ESXi
  11. Cloning individual virtual machine disks via the ESX/ESXi host terminal
  12. Identifying and addressing Non-Maskable Interrupt events on an ESX/ESXi host
  13. Unable to delete the virtual machine snapshot due to locked files
  14. In a VMware vSphere 6 environment, the ESXi hosts display a false positive warning: Deprecated VMFS volume(s)
  15. Snapshot consolidation in VMware ESXi 5.5.x and ESXi 6.0.x fails with the error: maximum consolidate retries was exceeded for scsix:x
  16. Methods for upgrading to VMware ESXi 6.0
  17. NFS connectivity issues on NetApp NFS filers on ESXi 5.x/6.0
  18. Backing up and restoring ESXi configuration using the vSphere Command-Line Interface and vSphere PowerCLI
  19. Enabling support for SSLv3 in ESXi
  20. Deploying Windows 2008 R2 and Windows 7 templates with vmxnet3 renames the NIC as #2

ALERT: Linked Clone pool creation and recompose failure

VMware Support AlertBefore upgrading to vSphere 6 update 1, VMware would like everyone to read the following KB article for important information.

Creating and recomposing linked clone desktops will fail on Horizon view 6.1.x and all older releases after upgrading to vSphere 6.0 Update 1.

The Linked Clone desktop appears to be created on vCenter, but it will be deleted  soon after vCenter complains about either “disposable” or “internal” vmdk files  this desktop.

All older versions of Horizon View Composer prior to Horizon 6.2 require SSL v3 to communicate with ESXi hosts, however the SSL v3 has been disabled in ESX6i Update 1 hosts.

Please read this KB article for further information: Upgrading to vSphere 6 update 1 will cause Linked Clone pool creation and recompose failure with Horizon View 6.1.x and older releases (2133018)

Any updates to this information will be made in the KB article itself.

vRealize Operations Manager 6.1.0 – new KB content

Exciting news for users of vRealize Operations Manager 6.1.0. We’ve been busy updating and creating new Knowledgebase articles to support the product. Enjoy!



Downgrading from VMware Workstation Pro 12 to VMware Workstation 11

Today we bring you a video which demonstrates downgrading from VMware Workstation Pro 12.x to VMware Workstation 11.x including changing the virtual hardware of your virtual machines.

VMware Workstation Pro 12.x and VMware Workstation 11.x use different virtual machine hardware compatibility. When downgrading Workstation, you must change the virtual machine hardware compatibility version of your virtual machine to Workstation 11.0.

For additional details see VMware Knowledge Base article Downgrading from VMware Workstation Pro 12 to VMware Workstation 11 (2128613).

Log Insight 3.0.x release – new KB content

VMW-DGRM-vCNTR-LOG-INSIGHT-103Exciting news for users of Log Insight 3.0.x. We’ve been busy updating and creating new Knowledgebase articles to support the product.



Upgrading from Workstation 11 to Workstation Pro 12

This video demonstrates how you can upgrade from VMware Workstation 11 to VMware Workstation Pro 12 and is based on VMware Knowledge Base article Upgrading from VMware Workstation 11 to VMware Workstation Pro 12 (2126729).

Before upgrading to VMware Workstation Pro 12:

  • Ensure that your physical machine meets the system requirements. For more information, see the Introduction and System Requirements section in Using VMware Workstation Pro.
  • Shut down your virtual machines.

The VMware Knowledge Base

In VMware documentation, we show you how a product works, and how you can use the product to accomplish your tasks. But what about when the product isn’t working for you—when it doesn’t behave as described in the manual, or when the manual doesn’t cover a problem you encounter, or a special task you want to perform? In our procedures we try to anticipate every use case, and in our troubleshooting sections we try to foresee everything that might go wrong, but with the large and growing base of VMware users, it’s impossible to cover every situation that might occur. Every user is unique, and the number of variations—in combinations of hardware, operating systems, and use cases—is practically limitless.

One of the best resources for troubleshooting problems is the VMware Knowledge Base. Maintained by VMware Global Support Services team, the Knowledge Base (KB) contains thousands of articles authored by GSS support techs, product development and QA engineers, and Technical Communications writers. KB articles specialize in corner cases, troubleshooting, workarounds, and more. Thorny, corner-case problems are usually solved only through considerable effort, collaboration, and head pounding by some very smart and knowledgeable people. KB articles document those solutions, so no one should have to struggle with solving the same problems again.

And note: when you search the Knowledge Base, you’re searching not only KB articles, but also the library of product documentation and discussion threads in VMware Communities. This makes the Knowledge Base a great place to begin looking for answers.

So how do you use the Knowledge Base? Just go to http://kb.vmware.com/ and you’ll find that it’s pretty self-explanatory. You can browse or search by keyword, and you can filter the search by product. And if you need more detailed instructions or help, the Knowledge Base itself is well documented (just as you would expect) in a KB article—just click the Knowledge Base Help button in the upper right of the KB home window.

I will add one tip for searching: when I enter search terms, I start by trying to identify as uniquely as I can the symptoms and setup of the problem I’ve encountered—I might include the essential words of an error message, the operating system version of the VM, what seemed to trigger the problem—whatever might help filter the search to the results most likely to match my problem exactly. I err on the side of inclusiveness, using as many relevant keywords as I can. Sometimes, I get lucky and find my problem on the first try. More likely, I get no results, or just a few. So I start deleting terms, one by one, from the search. With every deletion, the search broadens, and I get more results to scan through.

One more note: be sure to take a look at the navigation bar on the right-hand side of the KB home page, where there are links to some other really great tools and services provided by the KB team, including:

  • KBTV, an ongoing series of how-to videos
  • the Weekly KB Digest, where you can check for the newest additions to the Knowledge Base

You can subscribe to KBTV, the Weekly Digest and the KB Blog via RSS, and you can follow us on Twitter at: @VMwarecares.

In short, whenever you need answers, try the Knowledge Base. It’s a terrific resource.

Installing VMware Workstation Pro 12 on Windows

This video tutorial quickly demonstrates how VMware Workstation Pro 12 can be installed on your Windows PC or laptop.

Before starting with the installation ensure that your physical machine meets all of the system requirements for VMware Workstation. See Getting Started with VMware Workstation 12.x for further details.

For instructions regarding how to download the software and additional information concerning the installation sequence see VMware Knowledge Base article Downloading and installing VMware Workstation (2057907).

ALERT: Important information before upgrading to vSphere 6.0 Update 1

VMware Support AlertBefore upgrading your environment to vSphere 6.0 Update 1, VMware would like everyone to read the following KB article for important information.

After installing or upgrading to ESXi 6.0 and 6.0 Update 1, customers network connectivity is lost randomly with the error: NETDEV WATCHDOG: vmnic0: transmit timed out. This issue has been resolved.

Please proceed to KB article: ESXi 6.0 network connectivity is lost with NETDEV WATCHDOG timeouts in the vmkernel.log (2124669)

Any updates to this information will be made in the KB article itself.