UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D. C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report: June 1 7, 2006

(Date of earliest event reported)

McDATA Corporation

(Exact name of registrant as specified in its charter)

Delaware	000-31257	~~000~~84-~~31257~~1421844	~~84-1421844~~
(State or other Jurisdiction ofIncorporation)		(Commission FileNumber)	(IRS EmployerIdentification No.)
(State or other	(Commission File	(IRS Employer
Jurisdiction of	Number)	Identification No.)
Incorporation)

11802 Ridge Parkway, Crescent, Broomfield, Colorado 80021

(Address of principal executive offices, including Zip Code)

(720) 558-8000

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the ~~following~~ following provisions (see General Instruction A.2. below):

¨ o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

ITEM 5 8.~~02(b). Departure~~01 of— ~~Directors~~Other ~~or Principal Officers~~ Events

On June 1 7, 2006, ~~Thomas~~John GA. ~~Hudson~~Kelley, athe ~~member~~Chairman, ofPresident ~~the~~and ~~Board~~Chief Executive Officer of ~~Directors~~McDATA ~~for~~Corporation ~~the Company~~(“McDATA”), ~~notified~~entered ~~the~~into ~~Board~~a ofRule ~~Directors~~10b5-1 Stock ~~that~~Purchase hePlan ~~has~~to ~~decided~~purchase ~~not~~$100,000 ~~to stand~~of ~~for~~McDATA ~~re-election~~Class ~~and~~B ~~has~~common ~~resigned~~stock ~~from~~at market ~~the~~prices ~~Board~~on ofSeptember ~~Directors~~25, as2006. The purchase adate ~~Class~~was ~~III~~required ~~director.~~to ~~The~~be ~~Board~~set ~~acknowledged~~6 ~~and~~months ~~thanked~~from ~~Mr. Hudson~~a ~~for~~March ~~his~~2006 ~~assistance~~sale inof ~~the~~shares for ~~merger~~tax ~~with~~purposes ~~Computer~~in ~~Network~~order ~~Technology~~to ~~Corporation~~be compliant with 16(~~CNT~~b) ~~and~~of ~~his~~the ~~service~~Securities ~~as a~~Exchange ~~Board~~Act ~~Member.~~of 1934, as amended.

~~ITEM 8.01. Other Events~~ 2

At a regular meeting of the Board of Directors today, the Board approved the following proxy statement proposals to be considered by shareholders at the 2006 annual shareholder meeting scheduled to be held on July 24, 2006 at the Company’s headquarters in Broomfield, Colorado: (a) approval of Laurence G. Walker, Charles Johnston, M. Alex Mendez and Dr. Renato A. Dipentima as Class III directors for a 3 year term, (b) ratification of the appointment of Deloitte & Touche LLP as the Company’s independent auditors for the fiscal year ending January 31, 2007, (c) approval of an omnibus 2006 McDATA Equity Incentive Plan that consolidates various equity plans assumed as a result of the June 1, 2005 merger with CNT and (d) approval of the 2004 McDATA Inducement Equity Plan. In addition, and as mentioned on the May 30, 2006 earnings conference call, the Board authorized management of the Company to negotiate and enter into a $75 million credit facility. SIGNATURE

~~SIGNATURE~~Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

~~Pursuant~~MCDATA toCORPORATION ~~the~~By: ~~requirements~~/s/ ofTHOMAS ~~the~~O. ~~Securities~~MCGIMPSEY ~~Exchange~~Thomas ~~Act~~O. ofMcGimpsey ~~1934,~~Executive ~~the~~Vice ~~registrant~~President ~~has~~and ~~duly~~Chief ~~caused~~Legal ~~this report to be signed on its behalf by the undersigned hereunto duly authorized.~~ Officer

McDATA CORPORATION ByDated: /s/June THOMAS7, O. MCGIMPSEY Thomas O. McGimpsey Executive Vice President2006

~~Dated: June 1, 2006~~ 3

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