Windows 10 KB5008212 update causes Outlook search function to fail? Don't worry, Microsoft has fixed this issue! This article will introduce you in detail the problem and solutions.

KB5008212 update causes Outlook search failure

The last Windows 10 update in 2021 - KB5008212, although it contains some bug fixes, there are still some problems. Many users report that this update breaks Outlook's search capabilities, making it impossible to search for recent mail (usually stored in local PST or OST files).

This issue has a wide range of impacts, including:

• POP, IMAP, Microsoft Exchange and Microsoft 365 accounts.
• If Outlook Search is set to Server Search, only advanced searches are affected.

Affected Windows systems include:

• Clients: Windows 11 21H2, Windows 10 21H2, Windows 10 21H1, Windows 10 20H2, Windows 10 V1809, and Windows 10 Enterprise LTSC 2019.
• Servers: Windows Server 20H2; Windows Server V1809; and Windows Server 2019.

Microsoft has fixed Outlook search failure

Microsoft official documentation has marked this issue as "solved". Here are two solutions provided by Microsoft:

Solution 1: Install the latest non-in-band Windows updates

Microsoft has released several non-in-band updates for different Windows versions, including fixes for this issue. You can select the appropriate update to install based on your Windows version. These updates also fix other issues, such as Windows Update VPN connection issues.

You can find these updates on the official Microsoft website or in the Microsoft Update Directory. Please note that these updates are usually optional.

Solution 2: Use the known problem rollback (KIR) function

You can try to use the Known Issue Rollback (KIR) feature to resolve this issue. This method may take up to 24 hours to take effect, and restarting the computer can speed up the performance.

For enterprise-managed devices, you can install and configure specific group policies to resolve this issue. The specific group policy configuration depends on your Windows version:

• Windows 10 20H2, Windows 10 21H1 and Windows 10 21H2
• Windows 10 1809, Windows 10 Enterprise LTSC 2019, and Windows Server 2019

Summarize

If you are experiencing recent mail failures in Outlook search, check for Windows updates and install the latest updates now. If you have any other related questions, please leave a message in the comment area.

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