Indexing service CreateRecordset error “Access is denied” can be caused by disabled Delegation.

I am using  IXSSO from ASP.NET  to access remote Indexing Services Catalog (See also my posts COM CleanUp when using IXSSO in .Net  and  Fill Dataset with rows in a specified range .

When testing it from workstation I started to receive “Access is denied” exception in CreateRecordset call.

According to Hilary Cotter it is usually can be 

fixed by “giving rights to logon interactively on the remote machine”

It didn’t help me, but finally I found (thanks to ) that

to fix the error is required to set the web server computer to be trusted for delegation as described in