ORA-12560 with UNC use after Windows 10 version 1803 upgrade

(Doc ID 2399465.1)

Last updated on MAY 16, 2018

Applies to:

Oracle Net Services - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

After a Windows 10 update to 1803 (Spring Creators Update), programs using a shared (UNC) folder are not working.
Oracle errors are usually generic ORA-12560 / TNS-00530 errors.
If you copy the program or App folder to a Windows machine that has a local Oracle Client installed, the application runs ok.

Changes

 Windows 10 update to 1803 (Spring Creators Update)

Cause

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