The following error: "Network I/O error [SDE.DEFAULT]", is returned when opening an MXD file after applying the Utilities and Telecom Update 2 Patch with default connection set up via an add-in extension.
Last Published: December 15, 2015ArcObjects SDK for the Microsoft .NET Framework
Bug ID Number
August 6, 2015
June 11, 2020
ArcObjects SDK for the Microsoft .NET Framework
The bug has been fixed. See the Version Fixed and Additional Information, if applicable, for more information.