Some weeks ago my customer wanted to change ESXi hostnames. This is not difficult and can be done without VM downtime using the below steps: Place ESXi host into maintenance mode Remove the host from cluster/vCenter inventory Change a record in DNS (or vCenter hosts file) Add the ESXi host again to the vCenter inventory… Read More: FTF 007: How to change ESXi hostname when NSX is… »
Today my customer contacted me that they had problems with connectivity between two VMs connected to the same port group based on VXLAN. Quick tests done during call confirmed that there was a problem with VXLAN because they moved VMs to normal vDS port group and virtual machines were reachable. During a quick Webex and… Read More: FTF 006: VMware NSX and not prepared or not licensed… »
Recently during updating one of NSX environment from version 6.3.3 to 6.3.5 I faced the following error: The Upgrade Version operation failed for the entity with the following message. Cluster/ResourcePool Resources needs to be prepared for network fabric to upgrade edge Edge-xxx I checked a cluster where mentioned EDGE was running (btw. properly, all services… Read More: FTF 004: VMware NSX - The Upgrade Version operation failed »