AccessViolationException: Attempted To Read Or Write Protected Memory After Applying Windows Bundle Patch To ODP.NET

(Doc ID 2239610.1)

Last updated on APRIL 25, 2018

Applies to:

Oracle Data Provider for .NET - Version and later
Microsoft Windows x64 (64-bit)
Microsoft Windows (32-bit)


After applying the Windows Bundle Patch, such as patch 25433286: WINDOWS DB BUNDLE PATCH,

The ODP.Net application, it fails with:

AccessViolationException:  Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
when the connection is opened.


 Applied the windows bundle patch


Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms