Windows Server 2008 with exchange 2007

[dejavoo]

hello,

I successfully installed windows server 2008 with exchange 2007,joined to a domain on windows server 2003.The issue i have with accessing the exchange 2k7 is that i could use the outlook web access(owa) on the domain controller,but i cannot access it on the other servers on the same network.Moreover i cannot access it on my general network.Also , i tried to join the other servers to on the same network to the domain,but it always bring an error report.Thanks..................................

[FAT64]

but it always bring an error report

Are we allowed to know what the error is?