Fixing Outlook Stop Indexing and Search Result Incomplete Issue After June 2017 Updates

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Well, there is something else broken by this June 2017 Update in Outlook. When you do a search in Outlook, instead of instantly popping up the results, it displays:

Something went wrong and your search couldn’t be completed

Or,

Search results may be incomplete because items are still being indexed

Outlook incomplete index - Fixing Outlook Stop Indexing and Search Result Incomplete Issue After June 2017 Updates

Clicking on the yellow message box pops up an Indexing Status dialog box stating you still have a large number of items remaining to be indexed.

Outlook Index Status items remaining to be indexed - Fixing Outlook Stop Indexing and Search Result Incomplete Issue After June 2017 Updates

This is a known issue now that’s causing a lot of issues for Outlook users. If you are suffering this, here are a few workarounds for you to try out.

Rebuild index

Open Control Panel, search for “Indexing Options” and open it. Then click the Advanced button and Rebuild button to start the process.

Control Panel Indexing Options Rebuild - Fixing Outlook Stop Indexing and Search Result Incomplete Issue After June 2017 Updates

Note that it will be a long process that will take a long time to finish, especially you have a large mailbox.

Disable Windows Search

While Outlook is still running, open Control Panel, find Index Options and open it. Then click Modify button and uncheck Microsoft Outlook from the list and click OK.

Control Panel Index Options disable Outlook - Fixing Outlook Stop Indexing and Search Result Incomplete Issue After June 2017 Updates

You can also use this registry tweak to disable Windows Search and only use Outlook built-in search to perform the search.

Open Registry Editor, go to the following location:

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows

Create a new Key under Windows on the left and name it “Windows Search“, and create a new DWORD32 Value called PreventIndexingOutlook and set it as 1.

Regedit disable Windows Search for Outlook - Fixing Outlook Stop Indexing and Search Result Incomplete Issue After June 2017 Updates

While using Outlook built-in search does work, be warned that the performance could be horrible if you have a large mailbox.

Uninstall the problematic update

The updates that cause this problem are:

Open Control Panel, go to Programs > View installed updates, and find the update listed above. Then click Uninstall button.

Uninstall Outlook patch - Fixing Outlook Stop Indexing and Search Result Incomplete Issue After June 2017 Updates

You will need to restart your computer after uninstalling the update.

If you use WSUS to distribute Windows Updates, you can mark the update for removal in WSUS so the update can be removed automatically next time when the client computer goes online and checks WSUS for new updates.

WSUS security update marked for removal - Fixing Outlook Stop Indexing and Search Result Incomplete Issue After June 2017 Updates

You may still need to rebuild the index after uninstalling the update if Outlook still says there are a number of items left being indexed.

That’s it for now. Hope Microsoft will release an update to address these issues soon.

/update on June 27, 2017/

Microsoft has released fixes via Windows Update to address this indexing issue in Windows Search. Below are the relevant KB updates for each version:

The updates were released as optional so they may not be picked up by WSUS server. Follow this instruction to manually import these updates to WSUS.

3 COMMENTS

  1. I’m having this issue for Windows 7 and Outlook 2010. I have the patch referenced in your update of June 27th. However, search function is still broken.

  2. For anyone still experiencing this issue even after installing the updates, I’ve had to create a new PST file/new profile/remove readd account (depending on account type), after that the indexing works as it should.

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