Last Modified Date/Time The timestamp of the most recent modification of a Navision entity. The modified entries are retrieved from the Change Log. If the Last Modified Date/Time is older than the last synchronization time, then entities will not be synchronized. If The Last Modified Date/Time is more recent, the synchronization will be performed
Last Synchronization Time The time when the most recent synchronization process was successfully completed. The last synchronization time determines when the next automatic synchronization will take place. The next automatic synchronization is performed at predefined points in time starting from the last synchronization time