Installing multiple web/app servers

Hi all.
Hope someone can help out with this (BPC 5.1)
We have a live environment with 2 SQL boxes (clustered), plus 3 Web/App Servers which are all configured to go through a load-balancer.
I'm trying to setup a DR set of servers, and have built the clustered SQL boxes, plus 1 Web/App server.
Trouble is that I don't yet have a working load balancer on that site.
My questions are:
Do I need the load balancer setup first, then enter the LB address in the "Reporting Server", "Web Server" and "App Server" boxes during BPC install?
Would the lack of a load balancer prevent me from setting up more than one Web/App server, as the 2nd one just hangs about 3/4 of the way through the BPC installation and tells me nothing.
Finally, if the answer to the first question is "yes", will I have to uninstall/re-install BPC, or can I just change the settings in Server Options?
Thanks
Craig

Thanks Carlos
I've now sorted the problem.
For anyone else attempting the same thing:
The load-balancer MUST be referred to by DNS name (e.g. NOT by IP address)
The load-balancer name is entered in the following fields in Server Option on the App Servers:
Reporting Services Server Name
Reporting Services Server External Name
Application Server External Name
Application Server Virtual Name
Web Server External Name
Web Server Virtual Name
Then, once you hit Update on your second App server, you wind up with over 50 rows in the tblServerInfo table (within the AppServer database).
This needs to be backed up, all rows deleted, then go into Server Options on one of your App servers and hit "Update" again.
That way, you get just the normal 32 rows in the table again.
Hope that helps (and makes some kind of sense)
Craig
Edited by: Craig Aucott on Jun 30, 2009 11:18 AM

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"Mik Quinlan" <[email protected]> wrote in message
news:[email protected]..
>
Hi
I was wondering if somebody could help me. I need to implement singlesign on
for multiple web apps deployed in separate WARs in a single EAR file. Ineed
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