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varjsh avatar image
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varjsh asked ChristyZhang-MSFT commented

Outlook auto close and re-open on Azure VM.

Outlook auto close and re-open on Azure VM.


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Hello, @varjsh!

Outlook 2016 crashes on virtual machines and virtual desktop environments
There are many possible causes for an Event 1000 error but it may be related to the search index. Search indexing in Outlook 2016 depends on the machine ID which can change frequently on a VM. If local search is enabled, this causes the indexer to run each time the machine ID changes and that can result in a large .OST file which can cause problems.

You can use an Online Mode account but overall performance will suffer as a result of not having a local cache so the recommendation is to Outlook 2016 in cache mode with network connectivity to allow service search:

Let me know if this is helpful.

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ChristyZhang-MSFT avatar image
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ChristyZhang-MSFT answered ChristyZhang-MSFT commented

Hi @varjsh ,

Welcome to our forum!

What's the version of your Outlook? (File > Office Account > About Outlook). Please make sure you have upgraded your Outlook and windows to the latest version.
And does this issue occur recently? If so, have you done any specific operations before that?
In addition, does this issue occur with other office programs(such as Word, Excel) and does this problem occur on other VMS?

If the issue only occurs with Outlook client, considering the impact of some add ins, It is suggested that you try to start outlook in safe mode(win+R>type: outlook /safe) to check whether it works normally.

If this is still the issue in safe mode, it is suggested that you could try to create a new profile(Control Panel>Mail>Show Profiles>add) and add the account for testing to check if there are some differences.

On the other hand, considering the impact of some third-party programs on your computer, please try to perform a clean boot for windows and check if the issue still occur.

In addition, based on my research on the error code "0xc0000374", I found an article that mentioned it and introduced some factors that may affect this. It's suggested that you could refer to this: Fix: Update Error 0xc0000374 on Windows 10.
(Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.)

Hope the above help!


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Hi @varjsh ,

Just checking in to see if above information was helpful. If you have any further updates on this issue, please feel free to post back. If you think my reply is helpful to you, please remember to mark it as an answer. Warm thanks.

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varjsh avatar image varjsh ChristyZhang-MSFT ·

Thanks for your response. I have updated win and office hope this resolve the issue

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Hi @varjsh ,

If your case has any update, please feel free to post back.

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LimitlessTechnology-0326 avatar image
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LimitlessTechnology-0326 answered varjsh edited

Hello,

Thank you for your question and reaching out.
As per your Query,
There are many reasons behind Outlook closing abruptly, such as corrupted Outlook files or system files, too many add-ins, etc.
The first thing we need to Do is to Update the App and Windows,
Now we need to check Weather the outlook is working fine with the Safe mode, considering the impact of some add ins, I Wiil suggest you to try to start outlook in safe mode
(win+R>type: outlook /safe). and check

Check any faulty add-in enabled for Office applications:
You may use application safe for each Office application to open for example open Run (press Windows key + R), type winword /safe, excel /safe for Word and Excel respectively. If it works fine, disable the add-ins using File > Options > Add-ins for each applications
Incompatible printer driver:

Change the default computer printer to XPS Document Writer using Control Panel and verify the status.
Security software installed on the computer conflicting with Office applications:
Enable Clean-boot then try to use Office application to find if any Non-Microsoft software is causing the issue.
https://support.microsoft.com/en-us/topic/how-to-perform-a-clean-boot-in-windows-da2f9573-6eec-00ad-2f8a-a97a1807f3dd
Note: enable Normal Start-up after troubleshooting.
Corrupt Windows User Profile:
Create a new Windows Administrator user account and check if it prevents Office application crash.

I will also recommend you to execute some commands
sfc /scannow
DISM /Online /Cleanup-Image /RestoreHealth
https://answers.microsoft.com/en-us/windows/forum/all/system-file-check-sfc-scan-and-repair-system-files/bc609315-da1f-4775-812c-695b60477a93

And see if it helps,



--If the reply is helpful, please Upvote and Accept as answer--

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Thanks for your response. This is not a daily issue. It happens once a week, is there any way to find out the root cause and a solution.
Also, I have updated win and office hope this resolve the issue

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