FORM 15

    [As adopted in Release No. 34-20784, March 22, 1984, 49 F.R. 12688.]

                     SECURITIES AND EXCHANGE COMMISSION
                           Washington, D.C. 20549

                                   FORM 15

Certification and Notice of Termination of Registration under Section 12(g) of
                           the Securities Exchange
           Act of 1934 or Suspension of Duty to File Reports Under
                        Sections 13 and 15(d) of the
                      Securities Exchange Act of 1934.
                       Commission File Number: 0-17431

                        NETWORK GENERAL CORPORATION 
           (Exact name of registrant as specified in its charter)

          4200 BOHANNON DRIVE, MENLO PARK, CA 94025 (650) 473-2000
  (Address, including zip code, and telephone number, including area code,
                of registrant's principal executive offices)
 
                        COMMON STOCK, $0.01 PAR VALUE

          (Title of each class of securities covered by this Form)
                                    NONE

 (Title of all other classes of securities for which a duty to file reports 
                    under section 13(a) or 15(d) remains)

     Please place an X in the box(es) to designate the appropriate rule 
provision(s) relied upon to terminate or suspend the duty to file reports:

Rule 12g-4(a)(1)(i)     [X]     Rule 12h-3(b)(1)(ii)    [   ] 
Rule 12g-4(a)(1)(ii)    [   ]   Rule 12h-3(b)(2)(i)     [   ]
Rule 12g-4(a)(2)(i)     [   ]   Rule 12h-3(b)(2)(ii)    [   ] 
Rule 12g-4(a)(2)(ii)    [   ]   Rule 15d-6              [   ]    
Rule 12h-3(b)(1)(i)     [   ]

     Approximate number of holders of record as of the certification or notice
date: ONE (1)

     Pursuant to the requirements of the Securities Exchange Act of 1934,
Network General Corporation has caused this certification/notice to be signed
on its behalf by the undersigned duly authorized person.


Date:   December 10, 1997                By:       /s/ Scott C. Neely
                                            --------------------------------
                                            Scott C. Neely
                                            Vice President and General Counsel