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Install vSphere 4.1 Update Management display "ODBC 32bit"

Install the ODBC drivers. For Microsoft SQL Server database servers, install the 64-bit database ODBC drivers on your Microsoft Windows system. When you install the 64-bit drivers, the 32-bit drivers are installed automatically. For Oracle database servers, install the 32-bit database ODBC drivers on your Microsoft Windows system. Run the 32-bit ODBC Administrator application, located at [WindowsDir]\SysWOW64\odbcad32.exe. Use the application to create your DSN. You will now have a DSN that is compatible with the Update Manager server. When the Update Manager installer prompts you for a DSN, you should select the 32-bit DSN. Note: The Microsoft SQL Server 2005 Express database package is installed and configured when you select Microsoft SQL Server 2005 Express as your database during the VMware vCenter Update Manager installation or upgrade. No additional configuration is required.
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升級vSphere ESX 4.0 to 4.1步驟與方式 (方法一)

方法一 ，使用Vmware Update manager A. 確認ESX Server現在版本，使用#vmware –v B. 到Virtual Center中，選擇該ESX Host，點選Update manager->Admin view->瀏覽並選擇預先下載好的upgrade bundle，然後upload到ESX DataStore中存放。 For ESX 3.5 – “esx-DVD-4.1.0-260247.iso” For ESX 4.0 – “upgrade-from-ESX4.0-to4.1.0-0.0.260247-release.zip” C. 接下來建立upgrade baseline->選擇create baseline->baseline type請選擇host upgrade->下一步選擇剛剛已經上傳好的datastore中的upgrade iso檔。->選擇Try to reboot the host and roll back the upgrade in case of failure. ->Finish. D. 建立好後，點選該baseline，再選擇右上角的Compliance view , 選擇Attatch ,勾選Upgrade Baseline下剛剛建立的那個baseline，再按下Attach。 E. 點選右下角的Remediate，review相關設定後開始進行升級。 F. 可以到ESX Console 觀察upgrade progress.
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