Dear users,

We would like to bring to your attention that Microsoft will retire their Exchange Web Services (EWS) for Exchange Online and Office 365 starting from October 1, 2026.

Earlier, Microsoft had announced that their Exchange Web Services (EWS) will no longer receive feature updates. While the service will continue to receive security updates and certain non-security updates, however, product design and features will remain unchanged.

Considering all these and to allign with Microsoft, we have decided to stop providing support for EWS for Exchange Online mailboxes.

As a proactive approach, we strongly recommend our customers using Exchange Online (Outlook/Microsoft 365) mailboxes via EWS to switch to Microsoft Graph for both Incoming and Outgoing mail configurations.

Refer to the following guides for instructions to configure mail settings in ServiceDesk Plus with Microsoft Graph:

For Incoming (Mail Fetching):

For Outgoing (Mail Sending):

Note that the option to configure Microsoft Graph was introduced in build 14201. In case you are on an older build, we recommend you to upgrade your ServiceDesk Plus build to the current version. Refer to our release notes to know more:

Refer to the following guide to configure OAuth Authentication for Mail Server:

In case you want to configure Azure as Authentication Server, refer to the following guide:

Be informed that by end of Februrary 2024, ServiceDesk Plus migration will be brought to a halt for customers environment with EWS + Exchange Online configurations in a hotfix.

As an additional note, we will continue to provide support EWS for On-premises Exchange mailboxes and the above is not applicable to these environments.


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