Question: Why is Run/Stop Domain button disabled in Demo mode, and therefore the Domain cannot be executed? Solution: This probably happens because Hot-Standby is enabled, and the Domain was opened…
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.
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:…
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…
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?…
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…
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…
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…
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…
OVERVIEW In HotStandby systems, whenever a machine previously in Standby leaves maintenance, it starts executing the application, while also keeping it running in the previously active server. HOW CAN I…