Exchange 2007 /2010共存環境問題

Exchange 2007 /2010共存環境問題

現有環境

HQ office

Exchange 2007 server

Network :100MB WAN | 8 MB MPLS

OWA:Hqmail.YH.com

Autodiscover:autodiscoverhq.yh.com

User: 200+ (outside users 50+)

Autodiscoverhq.yh.com –inside auto discover

Autodiscover.yh.com->outside auto discover

 SZ Office

Exchange 2007 server

Network : 10MB WAN | 8 MB MPLS

OWA:szmail.YH.com

Autodiscover:autodiscovercn.yh.com

User: 2000+ (outside users 60+)

ID Office (new site_ planning)

Exchange 2010 server

Network: 4 MB WAN | 4 MB MPLS

OWA:idmail.YH..com

Autodiscover:autodiscoverid.yh.com

User: 900+ users

問題

1. 在Exchange 2007和Exchange 2010共存環境下Autodiscover對現有Exchange 2007用戶的影響?
2. 如果在ID Office安裝Exchange 2010後,外面DNS需要將現的autodiscover.yh.com修改為ID Office Exchange 2010的CAS?
3. 如果在Exchange 2007和Exchange 2010共存環境下對外面的用戶有什麼影響?