laptop and a wrench

Bug

The error messages, "ERROR 999999" and "System/UtilityNetworkTools.GPServer" are returned when running the Validate Network Topology tool.

Last Published: February 22, 2021 ArcGIS Pro
Bug ID Number BUG-000137030
SubmittedJanuary 27, 2021
Last ModifiedJuly 5, 2025
Applies toArcGIS Pro
Version found2.5
Operating SystemWindows OS
Operating System Version10.0 64 Bit
Version Fixed2.9
StatusFixed

Steps to Reproduce

Bug ID: BUG-000137030

Software:

  • ArcGIS Pro

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