EXHIBIT 10.5B Amendment A THIS AMENDMENT ("Amendment") to AGREEMENT (the "Agreement") is entered into and effective as of May 21, 1999 (the "Effective Date") by and between Henneberry Hill Technologies Corporation, a New York corporation doing...

                                                                   EXHIBIT 10.5B

Amendment A

THIS AMENDMENT ("Amendment") to AGREEMENT (the "Agreement") is entered into and
effective as of May 21, 1999 (the "Effective Date") by and between Xxxxxxxxxx
Xxxx Technologies Corporation, a New York corporation doing business as Summit
Software Company, 0000 Xxxxxxxxxx Xxxx, Xxxxxxxxxx, XX 00000 (hereafter
"Summit") and NetIQ Corporation, a California Corporation, with offices at 0000
Xxxxx Xxxx Xxxxx, Xxxxx Xxxxx, XX 00000 (hereafter "COMPANY").

Whereas Section 9 of the original agreement stated that:

(b)  Notwithstanding the terms of Section 9(a), COMPANY may distribute the
     Product(s) for a period of six (6) months following expiration of this
     Agreement in order to liquidate COMPANY's inventory of Product(s).

We now list the following:

(b)  Notwithstanding the terms of Section 9(a), COMPANY may distribute the
     Product(s) for a period of twenty-four (24) months following expiration of
     this Agreement.


IN WITNESS WHEREOF, the parties have entered into this Amendment as of the
Effective Date written above.


Summit Software Company             NetIQ Corporation


/s/ Xxxxxxx X. Xxxxxx               /s/ Ching-Xx Xxxxx
---------------------               -------------------
By (Sign)                           By (Sign)

Xxxxxxx X. Xxxxxx                   Ching-Xx Xxxxx
-----------------                   --------------
Name (Print)                        Name (Print)

President                           President
---------                           ---------
Title                               Title

24 May 1999                         24 May `99
-----------                         ----------
Date                                Date