A member of your team had ran into a note stating that we needed to upgrade our Nexus3:3.68.1 from H2 to Postgres. After performing the upgrade we found that the instance was still using H2 and we were getting errors so we rolled back. Looking into Nexus Admin screen we saw h2 was hardcoded and we c…

I recently migrated from H2 to Postgres and followed these steps https://help.sonatype.com/en/migrating-to-a-new-database.html I think we had a similar experience, and then it wasn’t until I found this page: https://help.sonatype.com/en/install-nexus-repository-with-a-postgresql-database.html#dat…

Nexus 3 and Postgres

Sonatype Nexus Repository

mpiggott (Matthew Piggott) March 24, 2026, 7:40pm 3

Originally PostgreSQL was only supported on PRO, I haven’t verified but I believe 3.68.1 is before it was made available to Community Edition.

If you’re a pro user, and having trouble I suggest a support contact file a ticket. If you’re CE user confirm version support in the help documentation.

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Nexus 3 and Postgres

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