Article - CS335725

Buffer Overflow Errors in PTC/Kepware Products

Modified: 24-Jul-2025   


Applies To

  • Kepware Server (formerly KEPServerEX) 5.20.396.0 to 6.18
  • This error is not limited to these drivers. Any driver that interacts with a PLC that has a buffer can encounter this issue.
  • For buffer overflow errors in IoT Gateway please see page 9 of the IoT Gateway Manual

Description

  • Device [device name] indicated an event buffer overflow (IIN 2.3) error in DNP Driver
  • Import file record <record number> could not be processed due to buffer overflow error in Idec Driver
  • Failed to store <n> value(s) due to incoming buffer overflow error in Local Historian
  • Error mask in Simatic / TI 505 Serial Driver
  • Abort Code 1 or Reject Code 1 in the BACnet/IP Driver
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