If the REL_OBJECTID field is deleted in the attachment table after running the Migrate Relationship Class tool, the attachments are no longer associated with the features.
Last Published: November 23, 2015ArcGIS for Desktop
Bug ID Number
May 21, 2015
November 24, 2020
ArcGIS for Desktop
Operating System Version
This issue was not reproducible when tested by the development team. Issues may be given this status when they cannot be reproduced or are no longer relevant in a development version of the software, but a specific fix was not installed to address the issue. The issue's Additional Information section may contain further explanation.
The reported issue, as described, does not fully explain what is needed. Please contact Support to provide additional details.