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This article discusses a hotfix which is available to view or print the digitally signed InfoPath 2007 form when the form's digital certificate expires.
When you complete a form that is based on an InfoPath 2007 form template, and then you sign the form by using a valid digital certificate, the form is not changed. If you want to view or print the form when the digital certificate expires, install hotfix 956314. Then, to enable the hotfix, add the AllowExpiredCertOnXmlValidate registry entry. To do this, follow these steps.
Install hotfix 956314.For more information, click the following article number to view the article in the Microsoft Knowledge Base:
956314 Description of the InfoPath 2007 hotfix package (Ipeditor.msp, Infopath.msp): August 26, 2008
Add the AllowExpiredCertOnXmlValidate registry entry to enable the hotfix.
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:
322756 How to back up and restore the registry in Windows
Add the AllowExpiredCertOnXmlValidate registry entry. To do this, follow these steps:
Exit the 2007 Office programs.
Start Registry Editor.
In Windows Vista, click Start , type regedit in the Start Search box, and then press ENTER.
If you are prompted for an administrator password or for confirmation, type the password, or provide confirmation.
In Windows XP, click Start, click Run, type regedit in the Open box, and then click OK.
Locate and then click the following registry subkey: