Microsoft FAST Search Administration – Unexpected error occurred while communicating with Administration Service
Microsoft FAST Search Administration – Unexpected error occurred while communicating with Administration Service go to the Central Administration -> Security -> Configure Service Account. Check the following Appl Pool running in which account. 1. FAST Content App Pool 2. FAST pool Administration Service 3. FASTPoolSearch Query go to to the Fast Search Server "Local users and Groups" Add those accounts in the group "FASTSearchAdministrators".