Error message when you try to add an Active Directory user account as a contact in Outlook: "There is not enough memory to perform the operation"

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Article ID: 945014 - View products that this article applies to.
Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify 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 XP and Windows Vista
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Symptoms

You try to add an Active Directory directory service user account as a contact to your Contacts list in Microsoft Office Outlook 2007 or Microsoft Outlook 2010. When you click Save & Close to save the contact to your Contacts list, you may receive the following error message:
There is not enough memory to perform the operation.

Cause

This problem occurs if the following conditions are true:
  • The email account for the contact has more than 20 certificates that are associated with the email account.
  • The total certificate data exceeds 32 kilobytes (KB).

Resolution

Outlook 2010

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate and then click the following registry subkey:
    HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\Security
  3. On the Edit menu, point to New, and then click DWORD Values.
  4. Type StripCertsNotValidForMail, and then press Enter.
  5. On the Edit menu, click Modify.
  6. Type 1, and then click OK.
  7. Exit Registry Editor.

Outlook 2007

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

How to obtain the hotfix

This issue is fixed in the Outlook 2007 post-Service Pack 1 Hotfix Package that is dated January 28, 2008. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
941275 Description of Outlook 2007 post-Service Pack 1 hotfix package: January 28, 2008
To enable the hotfix, follow these steps:
  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate and then click the following registry subkey:
    HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Outlook\Security
  3. On the Edit menu, point to New, and then click DWORD Values.
  4. Type StripCertsNotValidForMail, and then press Enter.
  5. On the Edit menu, click Modify.
  6. Type 1, and then click OK.
  7. Exit Registry Editor.

Status

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

Properties

Article ID: 945014 - Last Review: November 8, 2012 - Revision: 2.0
Applies to
  • Microsoft Office Outlook 2007
  • Microsoft Outlook 2010
Keywords: 
kboffice2007presp2fix kbhotfixrollup kboffice2007postrtmfix kbdigitalcertificates kbactivedirectory kbaddressbook kbcontacts kbexpertiseinter kbtshoot kbqfe kbbug kbfix KB945014

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