Restore SharePoint content DB to new application on Same Server

Hi,

The aim is to backup the content database of the production site and restore it on the sql server and attach it to a new website on the same SharePoint server for test purposes. (This is because there is only one server available).

When you try and attach the content to the new web application you get the error:

"The attach operation cannot continue because another object in this farm already contains the same ID"

It suggests you can create a new Identity with the -[-assignnewdatabaseid]  option, but this could cause database conflicts.

Is there a safe way to to ensure the production site is not affected?

Thanks,

Rocky.

CRM Consultant