My first suggestion is to read the release notes for 7.4.5, but why not go to 
7.6.2? The admin guide has the steps involved in changing the host name.

On Sep 15, 2011, at 2:42 AM, kurianv wrote:

> Hi, 
> We are required to migrate our existing Networker Server Version 7.4.4 Buld 
> 634 which is under Windows 2000 SP4 to Networker Server Version 7.4.5 Windows 
> 2008 x64 Bits. 
> Could you kindly suggest the exact procedure for migrating our Networker 
> Server to Windows 2008 x64 bits . I went through the disaster recovery guide ?
> 
> But it has not said if we are chainging the Hostname whst are steps to be 
> followed ?
> 
> We have installed the  new server wit the new hostname ? Please can you 
> kindly describe what we should do next ?
> 
> Thanks and Regards,
> Kurian Varghese
> 
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