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What Changes from 20.04.xx to Versions 24.08 and 26.04

The most important difference from version 20.04 is not only Microsoft Graph: the way the connector is integrated into vtenext also changes.

From 20.04 to the new structure

In version 20.04, Exchange Connector was installed using the legacy dedicated procedure and was not registered as a standard vtenext vtlib module.

In versions 24.08 and 26.04, the connector is managed as a real vtenext module/extension. After the first migration, future upgrades can therefore be handled through the normal module update procedure.

For this reason, moving from 20.04.xx to 24.08 or 26.04 requires a specific migration and a one-time module registration script.

If Microsoft 365 is used

The new connector generation uses Microsoft Graph for Microsoft 365 / Exchange Online. After migration, the Office365 configuration and user connections must be checked.

The connector can use either vtenext Proxy or a Custom Microsoft App.

If Exchange Server is used

Exchange Server installed on the customer infrastructure continues to use EWS. Supported configurations include Exchange 2016, Exchange 2019 and Exchange Server Subscription Edition.

Future upgrades

Once Exchange Connector is already using the new structure, for example version 24.08, moving to 26.04 no longer requires the registration script.

  • 20.04.xx → 24.08 or 26.04 = structural migration;
  • 24.08 → 26.04 = standard module upgrade.
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