Correct/Simple Procedure for successful NTLM authentication using Siteminder in multi domain scenario is to use a custom NTLM Auth Scheme.
Auth Scheme Type : Custom Template
Library : SmExtendedAuthNTLM
Parameter : a1|a2|a3;http://ntlm.a1.com/siteminderagent/ntlm/smntlm.ntc
- Cookie Provider is not required.
- instead of simple NTLM scheme use the above Custom Template to authenticate into multiple domains.
- my old post below also works but is not necessary for our scenario.
