Troubleshoot synchronizationSave PDFSave selected topicSave selected topic and subtopicsSave all topicsShareShare to emailCopy topic URLLast UpdatedFeb 12, 20251 minute readPI SystemPI Server This section describes common problems that might occur during PI MDB to PI AF synchronization. Related LinksCannot edit PI MDBElement does not appear in PI MDBCannot edit access permissions on a moduleDisabled a mapping identity but PI AF still allows accessModule and element hierarchies look different