unable to delete mistakenly selected domain for the site administrator(wcadmin)

[Vipul]

Dear all

I after installing Windchill,  I assigned the domain of organisation to wcadmin (site administrator) and now i dont want to keep domain to wcadmin. and i am trying to delete the assigned domain but its not getting deleted.

Thanks for the solution 

[BenLoosli]

Please provide a better description of what you are trying to do.

You cannot delete domains or contexts once created.