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Microsoft Dynamics Outlook Plugin and CSV export being blocked

In the past week we have run across couple of issues..... things were working just fine but then they were not.

Two issues so far:

- Dynamics/F&O users have the ability to export to CSV.

- Dynamics/F&O users were able to use the Dynamics Outlook plugin.

These functions stopped working and there are no event triggered in Sophos indicating this is an issue.  The only way we found Sophos was causing this was to disable Sophos and both issues went away.

We end up creating web exceptions for these issues, but this is a constant issue when MS keeps changing the IP/Domain names.

Anybody else experiencing these issues and if so, how are you fixing these issues once and for all?

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  • Thank you for reaching out to our community forum.

    May we know the version of the Sophos endpoint that is currently installed on the device where the issue is being observed?

    Also, You've mentioned that you disabled the Sophos endpoint on the device. May we know if you can identify what component caused the issue? If not? Can you help us run the basic troubleshooting to identify what component triggers this? You may refer to this link for the procedure on how to run the steps. 

    Glenn ArchieSeñas (GlennSen)
    Global Community Support Engineer

    The New Home of Sophos Support Videos!  Visit Sophos Techvids
  • We are on Endpoint Core Agent: 2023.2.1.6, Managed Detection: 2023.2.0.3.

    This is affecting all users that have the add-in.

    If you turn off the Real Time Scanning - Internet, the users are able to use the functionality of the add-in.  No events are logged on the computer or the user when the issue comes up.

    Sophos needs to find a better way to resolve these issues as these are business critical apps that are needed to run a business and should not be flagged and/or blocked.

  • There needs to be better reporting for when the internet real time scanning is blocking sites/IPs.....Having to open support calls to have a tech generate Wireshark reports to find out what the scan is blocking is annoying and take too long for a resolution.

  • Thanks for following up. 

    Most issues are not due to Sophos explicitly blocking communication but because Sophos adds a scanning step. This can cause unexpected behaviour with apps. Adding exclusions typically means that scanning will be bypassed entirely.

    We're always looking for ways to streamline the troubleshooting and problem-resolution process. Should you experience issues in the future, the "Product Analysis" and "Packet Capture" tabs of the Endpoint Self-Help tool may help. 

    If you find that your support case is stalling out, or if you feel that you’re not being assisted in a reasonable manner, you can also request that your case be escalated by reaching out to your Sophos Account Manager. Let me know if you'd like assistance in finding out who that may be for your account.
    Our community support engineers are also happy to raise issues to the concerned management teams where necessary, please feel free to send me a private message.

    Kushal Lakhan
    Team Lead, Global Community Support
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