[postgis-users] Help installing h3 extension on postgres 11 with postgis 3.3

[Claire Palmer]

Hi postgis-users,

Has anyone run into problems installing the h3 extension on postgres11
Windows?  I ran the EDB Stack Builder to upgrade postgis from 3.2 to 3.3
and all went well, except the "create spatial database" option failed
with:  "Error:  could not access file "h3": No such file or directory"

I checked the Postgres files on C: and h3.dll exists in \lib and
h3.control, h3_postgis.control exists in \share\extension.  So I'm not sure
what 'no such file or directory' means.

I have postgres14 on another Windows machine, and I was able to install h3
and h3_postgis extensions without any problems.  So maybe the issue is with
postgres11?

Normally I would just move on with the h3 on postgres14; however the
postgres11 server houses our core databases, so I'm really looking to have
h3 enabled on them.

The output for postgis_full_version():
POSTGIS="3.3.2 3.3.2" [EXTENSION] PGSQL="110" GEOS="3.11.1-CAPI-1.17.1"
PROJ="7.2.1" GDAL="GDAL 3.4.3, released 2022/04/22" LIBXML="2.9.9"
LIBJSON="0.12" LIBROTOBUF="1.2.1" WAGYU=0.5.0 (Internal)" RASTER

Any suggestions would be appreciated!

Many thanks,

Claire
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