This is checked with Eclipse Juno Version on Windows 7 OS, With Apache Tomcate 7 version.
When you create a server first time it will done with normal steps.
But for some reason we need to delete the server. Mostally we delete from Server tab in eclipse by right click on server and click on delete.
At this time the server is deleted from server tab, but not permanently delete from workspace.
Because of that when we re-create the server with same version we don't able to click on next button after selecting the server version.
So here is the complete guide with screen shot, How to solve this type of issue.
The next button is not enable when we re-create the server.
STEP 1 :
Go to : Window -> Preferences
You get the above screen. Then after select Server option from right panel and click on Runtime Environments as per screen shot.
STEP 2 :
Now click on list of server and delete all the server to clean the workspace. As per above screen shot.
When all is done click on OK.
STEP 3 :
Now as per normal way add server from Server tab from Eclipse.
Now as we saw in screen the next button is enable and we can add new server.
STEP 4 :
Now at last select folder where the Tomcat is reside and click on OK and Finish.
All is done the server is create now.
ENJOY THE JAVA WITH CUP OF TEA