If OpenID is used, clients must support token-based login, and RFS authentication must also be able to process bearer tokens. Clients prior to version 12.6 were not yet capable of this. Therefore, if OpenID is enabled, an upgrade is mandatory.

Sitesetupsync has been removed. The clients should be able to handle this because the protocol was asynchronous; if the server does not support it, it will not be used.

The RFS synchronization is not always up to date in older versions because the `checkchanges` call was only added at startup.

The Handling the psolrights.cfg for ERP users is slightly different in the old versions: There still exists the workaround user=roleset, which was removed in V12.6.

Only versions >= 12.6 can handle ERP users with groups (older versions simply ignore them).

The Configuration of the DB connection is different in 12.6. Therefore, it can be Problems come when clients don't understand this new variant and evaluate the configurations according to the old pattern. It is possible that that by remote-db is not relevant; without remote-db, however, problems because the dbproxy.cfg is missing and also the Database proxy setting in the plinkcommon.cfg no longer exists. Database users are also expected in places where which they no longer necessarily stand in ... See Section 5.7.2, “ Database connection ”.