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Trying to download postgresql version 17.6 and this what happened and I got an error message saying the existing data directory is not compatible with the server. What should I do next (CATALOG VERSION PG_VERSION)

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    Did you even try to research a resolution for this? Also, sql server <> postgresql, they are completely different products. Commented Oct 2, 2023 at 15:27
  • stackoverflow.com/questions/17822974/… Commented Oct 2, 2023 at 15:28
  • What does a download for PostgreSQL have to do with (Microsoft) SQL Server? Commented Oct 2, 2023 at 15:29
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    There is no Postgres 17.6 version. The latest release is 16.0. As to the error you cannot install a new major version over top of an existing version. You need to add to your question as text more information about the steps you are taking and the actual Postgres versions you are working with. Commented Oct 2, 2023 at 16:14
  • Why do you think PostgreSQL version 17.6 already exists? My best guess will be that it will take another 3 years to get to that version. Commented Oct 2, 2023 at 18:04

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You must install the same major PostgreSQL version you find in PG_VERSION in the data directory.

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