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When to consider ADFS 2.0 as IP STS ?

Posted By:      Posted Date: September 17, 2010    Points: 0   Category :SharePoint
  I am trying to understand When to consider  ADFS 2.0 as IP STS  or in anotehr sense when Sharepoint STS alone is not sufficient and one needs to start thinking of a custom STS or ADFS or Site Minder etc . All my below examples are towards need for a SSO solution .. SSO from the perspective that i haev links of many applications and i am not prompted for username and Password. Example 1 : If all the application in my organisation needs users to be  authenticated against same AD .Then SHould Sharepoint STS sufficient for SSO i.e if i have links to SAP application ( example of SAML Windows Identity ) on my sharepoint application , it shoudnt promt for user names and password ? Correct / Wrong . Example 2 : If all the applications are SQL FBA applications , and my sharepoint 2010 application is also FBA CLaims , then When i place my SQL FBA claims apps on Sharepoitn 2010 application it should not ask for username  password. Correct/Wrong Example 3 : If My sharepoitn application supports both SQL FBA Claims  & Windows  , and my windows & FBA authenicated applications links are on my sharepoint application , it it should not ask for username  password Correct/Wrong

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Any pointers will be very helpful.

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