You first have to choose on what you can base your single sign on? There are options for NTLM, Kerberos or HTTP Header. Read the wiki on the Authentication Subsystem for details. And make sure you're using 3.2r2 of you need http headers (external authentication subsystem)
Want to the best possible way to implement the auto login with CAS behind Alfresco. Want to know a way which avoids creating users manually in Alfresco. It should make use of the windows credentials provided by the CAS.
Currrently I am using 3.2 community version on windows. Does the external authenticatio mechanism work only with 3.2r2?