Category Archives: Troubleshooting

VSAN Troubleshooting Video Series

VMware Technical Support University is very proud to present our Virtual SAN Troubleshooting Video Series, comprising of 26 bite sized videos- not only covering troubleshooting but also design, requirements, compatibility, and upgrades. These were first presented in the  VSAN trouble shooting webinar that was conducted 27 October, 2016. This video collection, presented by Francis Daly […]

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Posted in Announcements, Storage, Tech Talk, Troubleshooting, Videos, vsan | Comments

Troubleshooting Virtual SAN Providers status- Disconnected

This video demonstrates how to troubleshoot Virtual SAN Providers which display the status as disconnected in the vSphere Web Client. This issue occurs if the SMS certificate for vCenter server is expired. To resolve this issue, expired certificate will be removed and a new certificate will be generated.

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Posted in How-to, KBTV, Troubleshooting, Videos, vsan, vSphere, vSphere Web Client | Comments

Troubleshooting Virtual SAN on-disk format upgrade to 3.0 failures

This video demonstrates how to troubleshoot Virtual SAN on-disk format upgrade to 3.0, which may fail in small Virtual SAN clusters or ROBO/stretched clusters. Attempting an on-disk upgrade in certain VSAN configurations may result in failure. Configurations that can cause these errors include: The stretched VSAN Cluster consists of two ESXi Hosts and the Witness […]

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Posted in How-to, KBTV, Troubleshooting, video, Videos, Virtual SAN, virtual san on disk upgrade failure, vsan | Comments

Important KB updates for current NSX for vSphere users -May 2016 Edition

Our NSX support team would like all of our customers to know about important KB updates for current NSX for vSphere issues. Here’s what’s new and trending- Please take note of key updates to the following important End of General Support and End of Availability events: vCloud Networking and Security will reach End of Availability […]

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Posted in Highlights, Inside Scoop, KB, NSX, Troubleshooting | Comments

Host disconnected from vCenter and VMs showing as inaccessible

Another deep-dive troubleshooting blog today from Nathan Small (twitter account: @vSphereStorage) Customer problem description: Host is getting disconnected from vCenter and VMs are showing as inaccessible. Only one host is affected. Analysis: A quick review of the vmkernel log shows a log spew of H:0x7 errors to numerous LUNs. Here is a short snippet where […]

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Posted in ESXi, From the Trenches, Management, Storage, Troubleshooting | Comments

Issues creating Desktops in VDI, and what to do about it

We want to highlight some mitigation techniques and a handy KB article today for those of you managing Horizon View desktops. We’re talking about those occasions when no desktop can be created…

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Posted in Enterprise Desktop, From the Trenches, Horizon View, Troubleshooting, VMware View | Comments