# Install postgis 3.2 to service certified versions of arcgis 11.1

**URL:** <https://forums.percona.com/t/install-postgis-3-2-to-service-certified-versions-of-arcgis-11-1/24284>\
**Category:** Percona Distribution for PostgreSQL\
**Created:** [August 7, 2023, 6:01pm UTC](https://forums.percona.com/t/install-postgis-3-2-to-service-certified-versions-of-arcgis-11-1/24284 "2023-08-07T18:01:54Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Salim\_Suhet\_Mussi](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/salim_suhet_mussi/32/12131_2.png) [@Salim\_Suhet\_Mussi](https://forums.percona.com/u/Salim_Suhet_Mussi)\
**Post date:** [August 7, 2023, 6:01pm UTC](https://forums.percona.com/t/install-postgis-3-2-to-service-certified-versions-of-arcgis-11-1/24284/1 "2023-08-07T18:01:54Z")

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To work with Arcgis 11.1, the certified version of postgis is 3.2.

> **[ArcGIS Server 11.1 system requirements—ArcGIS Enterprise | Documentation for...](https://enterprise.arcgis.com/en/system-requirements/latest/linux/arcgis-server-system-requirements.htm)**
>
> Confirm that your system meets the system requirements for ArcGIS Server.

I can’t find this version in the repository. There is only version 3.3. How could I install the certified version? Is there a way to downgrade the version while keeping the percona repository?

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**Author:** ![Robert\_Bernier](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/robert_bernier/32/1367_2.png) [@Robert\_Bernier](https://forums.percona.com/u/Robert_Bernier)\
**Post date:** [August 8, 2023, 10:14pm UTC](https://forums.percona.com/t/install-postgis-3-2-to-service-certified-versions-of-arcgis-11-1/24284/2 "2023-08-08T22:14:48Z")

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Hi,

Keep in mind that Percona PostgreSQL is vritually the same binary as community. The difference being about bundling specific extensions that we are able to support.

I would suggest the following:

- Download the postgis package that is appropriate for your postgres version from the community repository.

- Install the package via the appropriate package manager

If you have installed multiple versions of PostGIS you can create the appropriate extension in your database by explicitly listing the desired version. Refer to the SQL commands CREATE EXTENSION and ALTER EXTENSION for more information.

Here is a reference [URL](https://trac.osgeo.org/postgis/wiki/UsersWikiPostgreSQLPostGIS) that might also be useful

[https://trac.osgeo.org/postgis/wiki/UsersWikiPostgreSQLPostGIS](https://trac.osgeo.org/postgis/wiki/UsersWikiPostgreSQLPostGIS)

One final note: if you haven’t done so already, the advice I’ve just given might not even be necesary if you can reach out to ArcGIS forum. I suspect (and it’s only a guess without further research) that 3.3 can work but of course it’s better if you check with the vendor.

Hope this helps.