<PAGE>
EXHIBIT 23.01
CONSENT OF INDEPENDENT ACCOUNTANTS
The Management Board
SOLUTION42 AG:
We consent to the incorporation by reference in the registration
statement (No. 33-49848) on Form S-3 of Portal Software, Inc. of our
report dated September 15, 2000 except for notes 15 and 16 which are as
of December 15, 2000, with respect to the combined balance sheets of
Solution42 as of December 31, 1999 and 1998, and the related combined
statements of income, net assets, and cash flows for each of the years in
the two-year period ended December 31, 1999, which report appears in the
Form 8-K/A of Portal Software, Inc. dated January 12, 2001.
/s/ KPMG Deutsche Treuband-Gesellschaft
Aktiengesellschaft Wirtschaftsprufungsgesellschaft
-------------------------------------------------------
KPMG Deutsche Treuband-Gesellschaft
Aktiengesellschaft Wirtschaftsprufungsgesellschaft
Hamburg, Germany
January 12, 2001