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Consider the following scenario:
You create a Microsoft Office InfoPath 2007 form template that contains an input parameter.
You publish the template to a content library of a Microsoft Office SharePoint site.
In this scenario, when you try to open multiple instances at the same time of the InfoPath form by using different input parameters, you receive the following error message:
InfoPath cannot open the form because another version of the form template is currently open. Close all forms using the form template and try again.
Steps to solve this problem
To resolve this problem, follow these steps:
This issue is fixed in the InfoPath 2007 hotfix package (Ipeditor.msp) that is dated October 28, 2008. Therefore, you should apply and install this hotfix package. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
957695 Description of the InfoPath 2007 hotfix package (Ipeditor.msp): October 28, 2008
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
To enable the hotfix, follow these steps:
Click Start, click Run, type regedit, and then click OK.
Locate and then click the following registry subkey: HKEY_Current_User\Software\Microsoft\Office\12.0\InfoPath\EditorCommon
On the Edit menu, point to New, and then click DWORD Value.
Type InputParametersOpenMultipleForms, and then press ENTER.
Right-click InputParametersOpenMultipleForms, and then click Modify.
In the Value data box, type 1, and then click OK.
Exit Registry Editor.
Did this fix the problem?
Check whether the problem is fixed. If the problem is fixed, you are finished with this article. If the problem is not fixed, you can contact support.