KB-33108: Hot-StandBy in different operating systems.
Question: Can Hot-StandBy work in computers with different operating systems? Solution: Yes, it can. Applications can run in different operating systems without any restrictions.
Category: Domain / E3Server / HotStandBy
KB-32905: Stopping E3 Server in maintenance.
Question: If the Stop button in the backup server’s E3Server (in maintenance) is clicked, will it also be able to stop the main server’s E3Server, which is running the application?Solution:…
BUG-0002873: Area’s name cannot be changed at runtime.
OVERVIEW If an alarm area’s name is changed at runtime, its old name will still be displayed in the alarm’s fields (Area, FullAlarmSourceName). HOW CAN I REPRODUCE THIS PROBLEM? Change…
BUG-0009880: Active alarms need to be re-acknowledged when Domain is updated.
OVERVIEW Some alarms will leave their acknowledged status if the AlarmSource is restarted by an update command in the Domain, or via Activate/Deactivate methods. HOW CAN I REPRODUCE THIS PROBLEM?…
BUG-0010260: Alarm message remains in the summary if AlarmSource is disabled in E3 Studio.
OVERVIEW Alarm messages can remain active in the summary if its corresponding AlarmSource is disabled via Studio, and then the domain is restarted. HOW CAN I REPRODUCE THIS PROBLEM? Stop…
KB-21155: Remote devices connected in HotStandby.
Question: I have an E3 application which monitors events in remote devices (one main device and one backup). When I switch to the backup remote device, will it record events…
INFO-0002722: E3 Server hangs when OPC driver initializes.
OVERVIEW When executing a domain as a service connecting to an OPC server that runs on the same machine (also as a service), E3 Server hangs on initialization.WORKAROUND To avoid…
BUG-0008903: E3 Admin’s icon still in execution if the domain is stopped when in maintenance.
OVERVIEW E3 Admin’s icon is displayed as if the domain were running when all projects are put in maintenance and the domain is stopped by the Studio. HOW CAN I…
BUG-0009694: E3 Server not connecting when returning from hibernation in Windows XP SP3.
OVERVIEW E3Server closes when Windows returns from Hibernate or Standby statuses. HOW CAN I REPRODUCE THIS PROBLEM? Let the system hibernate for over 5 minutes When you reactivate the system,…
BUG-0009280: Switchover from active to standby server takes longer than expected.
OVERVIEW When the HOT server’s network cable is unplugged, the time of switchover between hot-standby servers is always higher than 20 seconds, regardless of how long this time has been…