vExpert 2021 Applications are now Open!

Officially vExpert 2021 Applications are now Open! since 20th of November. The applications will be open until January 9th at midnight PDT. The vExpert awards will be announced on February 19th. The official page for vExpert announcements: vExpert 2021 Applications are Open – Don’t Miss Out! I enter this vExpert program for the first time … Read more

How to fix vSAN Cluster hosts out of sync

In this How to fix vSAN Cluster hosts out of sync, I will explain how to fix this type of issues triggered by network issues. This week we had some issues in one of our vSAN vCenter. Some warnings about network and vSAN nodes cannot communicate with each other. vSAN network uses DHCP provided by Juniper … Read more

vMotion failed because duplicated IP

vMotion failed because duplicated IP

After some blog posts about the latest versions of Backup Tools is time for some technical blogging with this vMotion failed because of duplicated IP. This week had a strange issue with one of our vCenters while trying to migrate some VMs from one of the vCenter Clusters. The migrations always failed when trying to … Read more

Create vCenter Alarm for Duplicated IP

Because of failed vMotion migration with duplicated IP, explained in a previous blog post, I needed to create vCenter Alarm for Duplicated IP so that I know when there is a duplicated IP in the VMware Infrastructure. To create a vCenter alarm for all your hosts, you need to do it at the vCenter level. … Read more

Insufficient resources to satisfy vSphere HA failover level on cluster

Configuring vSphere HA (High Availability) may not be excessively complex, but it is essential to adhere to specific guidelines. Failure to do so may result in inadequately configured vSphere HA and the occurrence of the error message “Insufficient resources to satisfy vSphere HA failover level on cluster.” Even if sufficient resources are available for host … Read more

Enable Link Layer Discovery Protocol (LLDP) in vSwitch

In this article, we go through CDP and LLDP, how to Enable Link Layer Discovery Protocol (LLDP) in vSwitch, and for vDS and how to check the information in vCenter provided by this feature. This week we installed new ESXi hosts from a remote location. Since we did not have access to the Switches/ESXi hosts, … Read more

ESXi 6.0 fix corrupted host imageprofile

In a previous article, we have fixed some VUM errors and the ESXi profile issues. Again, we had some issues with the host when applying updates, and it was impossible to remediate them. In the initial reboot(after applying the updates) host did not power up. It froze with this error: We did a problem before. … Read more