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Oxygen XML Editor implements the Single sign-on property (meaning that you can log on once and gain access to multiple services without being prompted to log on for each of them), based on the Kerberos protocol and relies on a ticket-granting ticket (TGT) that Oxygen XML Editor obtains from the operating system.
Restriction: This Single sign-on support is not available for SharePoint integrations.
To turn on the Kerberos-based authentication, you need to add the following system property in the .vmoptions configuration file or start-up script: