Identify ESX Build Numbers and Information

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To determine the system level of an ESX 4.0 host (the build number of the original installation):\r\n\r\n1. Log in to the ESX Server service console. \r\n2. At the command prompt issue the following command:\r\n# vmware -l\r\n\r\nTypical output resembles the following:\r\n#ESX 4.0.0 GA\r\n\r\nThe system level base installation of the ESX host will be displayed in the query output. This is the system level with no patches or updates applied.\r\nTo determine the base build number of an ESX Server 4.0.x host (the build number of the original installation):\r\n\r\n1. Log in to the ESX Server service console. \r\n2. At the command prompt, issue the following command:\r\n#vmware -v \r\nTo determine the patches or updates applied on the host \r\n\r\n1. Log in to the ESX service console \r\n2. At the command prompt, issue the following command:\r\n#esxupdate query