how to correct the "Sent" time stamp on email messages in Exchange Server OWA

Mighani 0 Reputation points


We had disabling of DST on the 21 March 2023 in Iran. So we needed to uncheck this feature in the server which is hosted exchange server. Nevertheless when our users send or receive email in OWA, the timestamp is incorrect.

How can we correct the problem?

I think we should have modification in the config of IIS.

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Jame Xu-MSFT 4,166 Reputation points

    Hi @Mighani ,

    To work around this issue, set the time zone on the Exchange Server to a region that matches the Coordinated Universal Time (UTC) zone of the country/region where the server is located. Make sure that the UTC zone for that country/region doesn't follow DST.

    Set Regional Settings in Outlook on the web

    You may also have to set the time zone in Microsoft Outlook Web App or in Outlook Web App. To do this, follow these steps, as appropriate for your situation.

    Refer to:

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