Section 906 Certification

The following  certification is provided by the undersigned  Principal Executive
Officer  and  Principal  Financial  Officer of  Registrant  on the basis of such
officers'  knowledge and belief for the sole purpose of complying with 18 U.S.C.
Section 1350, as adopted  pursuant to Section 906 of the  Sarbanes-Oxley  Act of
2002.

                                 Certification

In connection with the Annual Report of Janus Adviser (the "Registrant") on Form
N-CSR for the period ended  February 28, 2005, as filed with the  Securities and
Exchange  Commission  on April 25, 2005 (the  "Report"),  we,  Girard C. Miller,
Principal  Executive Officer of the Registrant,  and Jesper Nergaard,  Principal
Accounting  Officer of the  Registrant  hereby  certify,  pursuant  to 18 U.S.C.
Section 1350, as adopted  pursuant to Section 906 of the  Sarbanes-Oxley  Act of
2002, that:

(1)  The Report fully complies with the requirements of Sections 13(a) or 15(d)
     of the Securities Exchange Act of 1934, as amended; and

(2)  The information contained in the Report fairly presents, in all material
     respects, the financial condition and results of operations of the
     Registrant.



/s/ Girard C. Miller
Principal Executive Officer of Janus Adviser
April 25, 2005


/s/ Jesper Nergaard
Principal Accounting Officer and Principal Financial Officer of Janus Adviser
April 25, 2005