awk and sed filtering

Goo afternoon Sir'sould like to ask your help reagrding in this scenario using sed and awk.

Host:CDRMSAPPS1
Operating System:Linux 2.6.9-42.ELsmp
Machine Type:UNIX
Host Type:Client
Version:5.1
********************************************************

Universal Settings

Restore retries: 0
Browse timeframe for restores 0 days
Required network interface 

********************************************************
Host:CERDB1
Operating System:Linux 2.6.9-22.ELsmp
Machine Type:UNIX
Host Type:Client
Version:5.1
********************************************************
Universal Settings

Restore retries: 0
Browse timeframe for restores 0 days
Required network interface 

****************************
this is just a test
******************************

********************************

Hostname: cebudr

********************************************************
Host:ROAM-D
Operating System:Linux 2.6.9-34.ELsmp
Machine Type:UNIX
Host Type:Client
Version:5.1

Desired Output :

********************************************************
Host:CDRMSAPPS1
Operating System:Linux 2.6.9-42.ELsmp
Machine Type:UNIX
Host Type:Client
Version:5.1
********************************************************

********************************************************
Host:CERDB1
Operating System:Linux 2.6.9-22.ELsmp
Machine Type:UNIX
Host Type:Client
Version:5.1
********************************************************

*******************************************************
Host:ROAM-D
Operating System:Linux 2.6.9-34.ELsmp
Machine Type:UNIX
Host Type:Client
Version:5.1
********************************************************

Try this:

sed -n '/Host/,/Version/p;' filename | sed 's/Host:/\nHost/g'

thanks sir