[TYPO3-Solr] Change Solr-Server

[Heiko Kromm | Paints]

Hi list, 

I made a backup of my live webpage, which includes the solr extension. 
On the backup installation, I want to change the solr host to another solr server and core, but if I check solr connection under Admin Tools->Reports there is always the connection to the live solr-server. 

I changed host and core settings in my template and clicked "Initialize Solr connections", but nothing changed. 

Regards 
Heiko