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Release Upgrade Support for ESX/ESXi
If a VMware ESX/ESXi version does not have upgrade support, perform a clean installation, after you save
your VMFS datastore to another location or partition.
You can upgrade most versions of VMware ESX/ESXi to the ESX 4.0/ESXi 4.0 version. You cannot perform an
in-place upgrade from ESX to ESXi (or from ESXi to ESX). To upgrade virtual machines from ESX to ESXi (or
from ESXi to ESX), you must perform a migration upgrade.
Table 10-2 gives details of upgrade support for ESX and ESXi. Upgrade support for a version of ESX/ESXi
includes all associated update releases. For example, where upgrading from ESX 3.5 is supported, upgrades
from ESX 3.5 Update 1, ESX 3.5 Update 2, and so on are included.
Table 10-2. Upgrade Support for ESX/ESXi
ESX Version Support
ESX alpha, beta, or RC release (any) No upgrade support
ESX 1.x No upgrade support
ESX 2 No upgrade support
ESX 2.1 No upgrade support
ESX 2.1.1 No upgrade support
ESX 2.1.2 No upgrade support
ESX 2.1.3 No upgrade support
ESX 2.5 No upgrade support
ESX 2.5.1 No upgrade support
ESX 2.5.2 No upgrade support
ESX 2.5.3 No upgrade support
ESX 2.5.4 No upgrade support
ESX 2.5.5 Limited support
ESX 3.0.0 Yes
ESX 3.0.1 Yes
ESX 3.0.2 Yes
ESX 3.0.3 Yes
ESX 3.5 Yes
ESXi 3.5 Yes
Upgrading from ESX 2.5.5
The only ESX 2.x version that has upgrade support is ESX 2.5.5, though support is limited for this type of
upgrade. VMware supports upgrades from ESX 2.5.5 under certain conditions.
When you upgrade from ESX 2.5.5 to ESX 4.0, you can perform a migration upgrade with or without VMotion.
In a migration upgrade, you migrate ESX 2.5.5 virtual machines to ESX 4.0 hosts, as follows: Evacuate the
virtual machines from the ESX 2.5.5 host. Do a fresh install of ESX 4.0. Migrate the virtual machines back to
the newly installed ESX 4.0 host. See “Upgrading by Moving Virtual Machines Using Upgrade VMotion,” on
page 20.
vSphere Upgrade Guide
70 VMware, Inc.
- ESXi 4.0 1
- EN-000112-04 1
- 2 VMware, Inc 2
- Contents 3
- 4 VMware, Inc 4
- VMware, Inc. 5 5
- 6 VMware, Inc 6
- Updated Information 7
- 8 VMware, Inc 8
- About This Book 9
- VMware vSphere Documentation 10
- Host Upgrade 11
- Datastore Upgrade 12
- Virtual Machine Upgrade 12
- Licensing 13
- 14 VMware, Inc 14
- Example Upgrade Scenarios 2 15
- 16 VMware, Inc 16
- VMware, Inc. 17 17
- 18 VMware, Inc 18
- VMware, Inc. 19 19
- 20 VMware, Inc 20
- VMware, Inc. 21 21
- (with vCenter Server) 22
- (Without vCenter Server) 23
- 24 VMware, Inc 24
- Changing Host Types 3 25
- 26 VMware, Inc 26
- System Requirements 4 27
- Installation and Storage 28
- Chapter 4 System Requirements 29
- VMware, Inc. 29 29
- ESXi Hardware Requirements 30
- VMware, Inc. 31 31
- 32 VMware, Inc 32
- VMware, Inc. 33 33
- Required Ports 34
- DNS Requirements for vSphere 35
- 36 VMware, Inc 36
- Server 5 37
- 38 VMware, Inc 38
- Database Prerequisites 39
- 40 VMware, Inc 40
- Database Scenarios 41
- 42 VMware, Inc 42
- Back Up VirtualCenter 2.x 43
- 44 VMware, Inc 44
- Upgrade to vCenter Server 45
- 46 VMware, Inc 46
- %TEMP%\VCDatabaseUpgrade.log 47
- 48 VMware, Inc 48
- Existing Database 7 49
- 50 VMware, Inc 50
- VMware, Inc. 51 51
- 52 VMware, Inc 52
- VMware, Inc. 53 53
- 54 VMware, Inc 54
- VMware, Inc 55
- Upgrade to the vSphere Client 56
- License Server Scenarios 57
- Server Upgrade 58
- Restore VirtualCenter 2.x 59
- 60 VMware, Inc 60
- Permissions 9 61
- Datastore Privileges 62
- Network Privileges 62
- Update Datastore Permissions 63
- Update Network Permissions 64
- 4.0/ESXi 4.0 10 65
- 66 VMware, Inc 66
- VMware, Inc. 67 67
- 68 VMware, Inc 68
- VMware, Inc. 69 69
- Upgrading from ESX 2.5.5 70
- VMware, Inc. 71 71
- 72 VMware, Inc 72
- Upgrade ESX Hosts 73
- 74 VMware, Inc 74
- Upgrade ESXi Hosts 75
- 76 VMware, Inc 76
- Hosts 12 77
- Evaluation Period Countdown 78
- VMware, Inc. 79 79
- Upgrades 80
- Roll Back an ESX Upgrade 80
- VMware, Inc. 81 81
- 82 VMware, Inc 82
- Upgrading Virtual Machines 13 83
- About VMware Tools 84
- VMware, Inc. 85 85
- Windows Guest 86
- X Terminal 87
- 88 VMware, Inc 88
- VMware, Inc. 89 89
- 90 VMware, Inc 90
- VMware, Inc. 91 91
- 92 VMware, Inc 92
- VMware, Inc. 93 93
- 94 VMware, Inc 94
- Upgrade Virtual Hardware 95
- 96 VMware, Inc 96
- VMware, Inc. 97 97
- 98 VMware, Inc 98
- Best Practices for Updates 99
- Add a Host to the List 100
- Download Patches and Updates 100
- VMware, Inc. 101 101
- 102 VMware, Inc 102
- VMware, Inc. 103 103
- 104 VMware, Inc 104
- Procedure 105
- 106 VMware, Inc 106
- VMware, Inc. 107 107
- 108 VMware, Inc 108
- VMware, Inc. 109 109
- 110 VMware, Inc 110
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