Is it possible in V2 to change the primary address of a user or functional mailbox while preserving data?Yes, this is possible by enabling the account mapping functionality. You can read more about this functionality in Account mapping.Will an upgrade keep the existing Synctool V1 configuration, or is it necessary to rebuild the configuration?The configuration file from Synctool V1 can be used in Synctool V2 with minimal adjustments. When the configuration file is opened in Synctool V2, the Synctool UI indicates whether additional settings are required. To take full advantage of the upgrade, the use of the new features is recommended. These features are easy to set up, as explained in the upgrade video.What are the consequences of Microsoft phasing out ExchangeOnlineManagement V2?Microsoft will phase out ExchangeOnlineManagement V2 in the summer of 2023, and only V3 will be supported after that. Support for ExchangeOnlineManagement V3 in the Zivver Synctool is only available in Synctool V2. Therefore, Zivver recommends updating to Synctool V2 before upgrading to ExchangeOnlineManagement V3.Does Synctool V2 have a maximum threshold for account deletion?The maximum threshold for account deletion is 5% and cannot be changed. A new feature in Synctool V2 allows this threshold to be overruled during a manual synchronization. If you run a manual synchronization that disables or deletes more than 5% of your organization, you must explicitly confirm this action in the Synctool UI.Why should Synctool V2 be used if no issues are experienced with Synctool V1?After June 2023, Synctool V1 is no longer supported. Although the legacy version can still be used, upgrading to Synctool V2 is strongly recommended. The new version offers improved security, a better interface, and many new features. In addition, Microsoft is changing the value of the -Name Exchange attribute (Change in naming convention of user’s Name parameter) and is phasing out version 2 of the ExchangeOnlineManagement PowerShell module (Deprecation of Remote PowerShell (RPS) Protocol in ExchangeOnlineManagement v2). These changes affect the use of Synctool V1, making an upgrade to Synctool V2 necessary to remain compatible with Microsoft’s developments.How can Synctool V2 be upgraded to a newer version?When Synctool V2 is already in use, upgrading to a newer version is relatively straightforward. The instructions can be found in How to update from Zivver Synctool V2 to a newer version.