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Upgrade Code Dialog Box

Specifies a globally unique identifier (GUID) for the UpgradeCode property of an installer.

Caution   UpgradeCode should only be set for the first version; it should never be changed for subsequent versions of the application, nor should it be changed for different language versions.

To access the Upgrade Code dialog box, select the UpgradeCode property in the Properties window when a deployment project is selected in Solution Explorer.

Upgrade Code
Specifies the UpgradeCode property for the selected installer.
Caution   To ensure a unique UpgradeCode, you should never manually edit the GUID. Instead you should use the New Code button to automatically generate a unique GUID.
New Code
Generates a new UpgradeCode property for the selected installer.

See Also

UpgradeCode Property