Configuration
From Sage CRM Knowledge Base
Error - IP Address Mismatch
Log on to the server and open regedit and the CRM settings
Change the key value "IPAddressChecking" to be N
IIS needs to be reset for the change to take effect
If you install SQL Express the system will setup a default sa password as
SageCRMv71
Ref: https://community.sagecrm.com/user_community/f/84/p/6017/22204.aspx#22204