________________________________________________________________________________ 1003926 Troubleshooting the VMware VirtualCenter Server service when it does not start or fails ________________________________________________________________________________ 1003895 Stopping, starting, or restarting the VirtualCenter Server service ________________________________________________________________________________ 1003928 Troubleshooting the database data source used by VirtualCenter Server ________________________________________________________________________________ 1003971 Determining Read more

ESX 3 x and VC 2 x ESX 3.x and VC 2.x Introduction Purpose of this guide This guide is designed for people who already know ESX 3.x and VC 2.x quite well. Although it starts as a beginners guide initially, it pretty rapidly starts to assume very good knowledge of the system. I would recommend you get to grips with the GUI first, and feel comfortable with Vi-3 before attempting this guide. That said – you might be wanting to carry out a discrete procedure from the command-line. So feel free to Read more

1. Disable HA on ESX cluster Connect to problematic server via SHH or server console : rpm -ev Vmware-vpxa-<version> (you can find out the module version by doing rpm -qa | grep vpx) rpm -ev <LGTO vm module> (you can find out the module name by doing rpm -qa | grep LGTO) rpm -ev <LGTO agent module> (you can find out the module name by doing rpm -qa | grep LGTO) 2. Disconnect host from VC Reboot Host 3. Reconnect host to VC 4. Enable HA in cluster. Read more

ESX Stop Firewall and IpTables chkconfig firewall off > /dev/null 2>&1 chkconfig iptables off > /dev/null 2>&1 chkconfig --level 3 portmap on > /dev/null 2>&1 chkconfig --level 3 netfs on > /dev/null 2>&1 chkconfig --level 3 vmware on > /dev/null 2>&1 chkconfig --level 3 vmware-late on > /dev/null 2>&1 chkconfig --level 3 mgmt-vmware on > /dev/null 2>&1 service firewall restart > /dev/null 2>&1 service iptables restart Read more

You may see that error when you migrate virtual machine between two ESX servers with different hardware. Please right click on VM and choose "Edit Options", select "Options", select "CPUID mask" and change it to "Hide the NX flag from quest". It will give you more comparability between CPUs but will hurt performance. Read more