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                                                              Exhibit 99.906CERT

                Certification Pursuant to 18 U.S.C. Section 1350,
                             As Adopted Pursuant to
                  Section 906 of the Sarbanes-Oxley Act of 2002

Name of Issuer: Van Kampen Trust

     In connection with the Report on Form N-CSR (the "Report") of the
above-named issuer for the period ended March 31, 2004 that is accompanied by
this certification, the undersigned hereby certifies that:

1.   The Report fully complies with the requirements of Section 13(a) or 15(d)
     of the Securities Exchange Act of 1934; and

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


Date: May 18, 2004                             /s/ Ronald E. Robison
                                              ------------------------------
                                              Ronald E. Robison
                                              Principal Executive Officer


A signed original of this written statement required by Section 906 has been
provided to Van Kampen Trust and will be retained by Van Kampen Trust and
furnished to the Securities and Exchange Commission or its staff upon request.
This written statement required by Section 906 is being furnished with this
report, but not being filed as part of this Report.

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                Certification Pursuant to 18 U.S.C. Section 1350,
                             As Adopted Pursuant to
                  Section 906 of the Sarbanes-Oxley Act of 2002

Name of Issuer: Van Kampen Trust

     In connection with the Report on Form N-CSR (the "Report") of the
above-named issuer for the period ended March 31, 2004 that is accompanied by
this certification, the undersigned hereby certifies that:

1.   The Report fully complies with the requirements of Section 13(a) or 15(d)
     of the Securities Exchange Act of 1934; and

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


Date: May 18, 2004                             /s/ John L. Sullivan
                                              ------------------------------
                                              John L. Sullivan
                                              Principal Financial Officer


A signed original of this written statement required by Section 906 has been
provided to Van Kampen Trust and will be retained by Van Kampen Trust and
furnished to the Securities and Exchange Commission or its staff upon request.
This written statement required by Section 906 is being furnished with this
report, but not being filed as part of this Report.