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                                                              September 15, 1998

ARI Network Services, Inc.
330 East Kilbourn Avenue
Milwaukee, Wisconsin  53202

        RE:  Consent



Gentlemen:


        This letter confirms that WITECH (Corporation consents to ARI Network
Services, Inc. ("ARI") borrowing up to $250,000 from Briggs & Stratton
Corporation, to be secured by accounts receivable of ARI pertaining to the
Powercom Business (the "Briggs Debt").  The existence of the Briggs Debt and
the security interest granted in connection therewith shall not constitute a
Default or an Event of Default under the Loan Agreement dated October 4, 1993,
as amended, between ARI and WITECH Corporation or a Default under the Security
Agreement executed in connection therewith.  In addition, the Briggs Debt shall
be excluded from ARI's covenant regarding additional indebtedness in the
Preferred Stock Purchase Agreement dated July 15, 1997 between ARI and WITECH
Corporation.


                                                      Very truly yours         
                                                                               
                                                      WITECH CORPORATION       
                                                                               
                                                      /s/ Francis Brzezinski  
                                                      -------------------------
                                                          Francis Brzezinski  
                                                                           



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