When I got this error - A valid Postgre SQL CMS connection could not be established - recently after a new windows install, it needed me to select Postgre SQL CMS to install separately in the DIM [daz install manager] separate program.
Edit: whilst it looks like people have moved on with their suggestions, I cannot see in any post that its stated that the OP has checked that the P SQL is actually installed in the first place.
Can you expound on the separate install? I installed Poser Pro 11.2 and it is working correctly and even though I started Poser years before Daz.. I prefer Daz.
The web department has suggested that you uninstall Daz Studio and the PostgreSQL. Then go to C:\Users\USERNAME\AppData\Roaming\DAZ 3D\cms
and rename or remove the ContentCluster folder and the cmscfg.json file located there.
If you can not see your AppData folder, type %appdata% in the Start menu and Windows will open the hidden folder.
Once you have done that, reinstall first Daz Studio and then the PostgreSQL CMS (make sure you are not installing as Administrator).
Then open Daz Studio and re-import metadata, with the box checked that userdata overwrites product data.
To do this, right click on the Content Library pane, choose Content DB Maintenance, tick Re-Import Metadata, click Accept.
Tick User Data and All Products and click Accept.
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Can you expound on the separate install? I installed Poser Pro 11.2 and it is working correctly and even though I started Poser years before Daz.. I prefer Daz.
This is the fix!
The web department has suggested that you uninstall Daz Studio and the PostgreSQL. Then go to C:\Users\USERNAME\AppData\Roaming\DAZ 3D\cms
and rename or remove the ContentCluster folder and the cmscfg.json file located there.
If you can not see your AppData folder, type %appdata% in the Start menu and Windows will open the hidden folder.
Once you have done that, reinstall first Daz Studio and then the PostgreSQL CMS (make sure you are not installing as Administrator).
Then open Daz Studio and re-import metadata, with the box checked that userdata overwrites product data.
To do this, right click on the Content Library pane, choose Content DB Maintenance, tick Re-Import Metadata, click Accept.
Tick User Data and All Products and click Accept.