Outlook Error : There is not enough memory to perform the operation

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When one my customer tried to add a Global Address Book entry to the Contacts folder, the contact is not added. She received the following error message: There is not enough memory to perform the operation.

This problem may occur if the size of the certificate data exceeds 32,768 bytes (32 KB).

Follow the following steps to resolve the issue:

  • To resolve this problem, apply hotfix 948075.
  • Then, add the StripCertsNotValidForMail value to the registry to enable the hotfix.

For more detailed information, I request you to go through the following Microsoft Support Knowledge based article.