FAQ: WinCC OA V3.17 Firewall Settings

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When using a firewall, the WinCC OA ports must be added as firewall exceptions:

  • Process manager- WCCILpmon (Default port: 4999)
  • Data manager- WCCILdata (Default port: 4897)
  • Archive manager- WCCOAvalarch (Default port: 4899) -> First archive manager (-num 0)
  • Default port: 4900 -> second Archive manager (-num 1)
  • Default port: 4901 -> third Archive manager (-num 2)
  • Default port: 4902 -> fourth Archive manager (-num 3)
  • Default port: 4903 -> fifth Archive manager (-num 4)
  • Default port: 4904 -> sixth Archive manager (-num 5)
  • Event manager- WCCILevent (Default port: 4998)
  • Redu manager- WCCILredu (Default port: 4776) optional, Only necessary in case of an redundant project
  • Split manager- WCCILsplit (Default port: 4778) optional, Only necessary in case of an redundant project
  • Dist manager- WCCILdist (Default port: 4777) optional, Only necessary in case of a distributed project
  • MxProxy Manager – WCCILproxy (Default port: 5678)
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