IT Support ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *commented* on HHH-9662 ( https://hibernate.atlassian.net/browse/HHH-9662?atlOrigin=eyJpIjoiNjVlOTl... ) Re: IllegalArgumentException when composite ID has IDENTITY generated value ( https://hibernate.atlassian.net/browse/HHH-9662?atlOrigin=eyJpIjoiNjVlOTl... ) regarding the I am finding the removing the column issue with SQLServer2012Dialect quite difficult. SQL Server requires an Identity column to be omitted from the insert, not just NULL / DEFAULT. ( https://hibernate.atlassian.net/browse/HHH-9662#add-comment?atlOrigin=eyJ... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-9662#add-comment?atlOrigin=eyJ... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100125- sha1:0a83519 )