When you try to install a 2007 Microsoft Office suite on a 64-bit version of Microsoft Windows Server 2003, the 2007 Office suite Setup program may abruptly exit or crash.

You may also receive the following error message in the installation log file:Additionally, you may receive the following error when you try to install a 2007 Office suite on a 64-bit Terminal Server:

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This problem may occur when the 64-bit version of Windows Server 2003 is running Terminal Services in relaxed security mode. The 2007 Office suite Setup program is only supported when Terminal Services is running in full security mode.

•	Relaxed security mode provides an environment that is compatible with most legacy programs. It also emulates the Windows NT Server 4.0, Terminal Server Edition permissions compatibility mode.
•	Full security mode helps provides a secure environment, and programs must be written to run in the context of an ordinary user.

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To work around this issue, you must run Terminal Services in full security mode. When you run Terminal Services in full security mode, Terminal Server users will have the same permissions as members of the Users group. To do this, follow these steps:

1.	Open Terminal Services Configuration.
2.	Click Server Settings.
3.	Right-click Permission Compatibility, and then click Properties.
4.	Click to select the Full Security check box, and then click OK.

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:

Alternatively, follow these steps to work around this issue:

1.	Click Start, click Run, type regedit, and then click OK.
2.	Expand HKEY_CLASSES_ROOT, right-click Wow6432Node, point to New, and then click Key.
3.	Right-click the new registry subkey, click Rename, type Installer, and then press ENTER.
4.	Right-click Installer, point to New, and then click Key.
5.	Right-click the new registry subkey, click Rename, type Products, and then press ENTER.
6.	Exit Registry Editor.

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Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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If you are using a Retail version of a 2007 Office suite or program, the suite or program may not run. For more information, click the following article number about this issue to view the article about this issue in the Microsoft Knowledge Base:

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