Select the product you need help with
- Internet Explorer
- Windows Phone
- More products
OL2000: Error Message "A required function is missing..."
Article ID: 223453 - View products that this article applies to.
This article was previously published under Q223453
When you start Outlook, you may receive the following erro message:
NOTE: Microsoft Office 2000 has a Customizable Alerts feature that allows you to receive more information about alerts or error messages that are difficult to troubleshoot. If you want to turn on the Customizable Alerts feature, download the Microsoft Office 2000 Customizable Alerts file. To do so, visit the following Microsoft Office Update Web site:
A required function is missing: Please install Microsoft Outlook again.
http://www.microsoft.com/downloads/details.aspx?FamilyID=8FBEE1D3-C5BB-4A36-A2F7-DC63DE2A818CNOTE: If you reached this article by clicking the Web Info button in an error message, you already have Customizable Alerts enabled.
We require more information about your specific situation to determine why you received this error message.
Contact Microsoft Product Support ServicesTo contact Microsoft Product Support Services (PSS), visit the following Microsoft Web site, and then click Phone Numbers, Support Options and Pricing:
http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMSWhen you contact PSS, please refer to article ID Q223453.