[cisco-voip] New Deployment - AD not ready so?

[Darren Ward]

Hi All,
 
We're about to deploy the core of a new IP Telephony network using CCM 4,
Unity 4 and IPCC Express Standard 3.5
 
Unfortunately Active Directory has only been deployed for server
registrations and users are still in the old NTLM based NT4 domain with full
trust priveleges between the two and the users are still using Exchange 5.5,
but we'll be moving them to AD on 2003 and Exchange 2003 over the next 12
months. 
 
This does mean that the CCM, IPCCE and Unity servers can be on the new AD
domain and I'm thinking this is the best thing to do since Unity especially
wants to modify the tree to add the Cisco subtree for service location etc
 
Unity storage is another issue, I'm thinking maybe it's best to use local
storage for VM and use Exchange 2003 later but can't find any information on
how to migrate this way or if I use Exchange 5.5 then upgrade to 2003 what
will be the impact on Unity? And it's AD prep requirements?
 
User authentication/LDAP is the other issue as I think we'd have to use the
internal CCM4 directory with external authentication and then migrate to use
Active Directory later but I'm not sure if this is advisable or what the
best option is.
 
What would people recommend for this type of deployment?
 
Darren
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