Applies To:
  • CitectSCADA 5.21 Service Pack E

Summary:
When making an alarm/alarmsummary query on a Citect server, you will get an error from CTAPI and no data will be returned.

Solution:
CIT has confirmed this to be a problem in Citect for Windows versions 5.21 Service Pack E. This problem has been fixed in version 5.21 Service Pack F. 

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