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: ~~September 6~~May 30, ~~2005~~2006

(Date of earliest event reported)

McDATA Corporation

(Exact name of registrant as specified in its charter)

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

~~380 Interlocken~~11802 ~~Crescent~~Ridge Parkway, 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 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 2.02

– Results of Operations and Financial Condition

On ~~September 6~~May 30, ~~2005~~2006, McDATA Corporation (“McDATA”) hosted its Q2Q1 ~~2005~~2006 earnings conference call and webcast (the “Call”). A copy of the earnings press release is furnished as Exhibit 99.1. A copy of the ~~Transcript~~prepared script for the Call is furnished as Exhibit 99.2.

The information in this Item 2.02 is furnished and shall not be deemed to be “filed” for purposes of Section 18 of, or otherwise regarded as filed under, the Securities Exchange Act of 1934, as amended. Unless expressly incorporated into a filing of McDATA under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, made after the date hereof, the information contained herein shall not be incorporated by reference into any filing of ~~the Registrant~~McDATA, whether made before or after the date hereof, regardless of any general ~~incorporation~~ incorporation language in such filing.

ITEM 7.01

– Regulation FD Disclosure

The information set forth under Item 2.02 of this Report on Form 8-K is hereby incorporated in this Item 7.01 by reference.

ITEM 9.01 -– Financial Statements and Exhibits

(c)	Exhibits
	99.1	September 6, 2005 Press Release
	99.2	September 6, 2005 Transcript

(c)

Exhibits



99.1		May 30, 2006 Press Release

99.2		May 30, 2006 Prepared Script

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.

McDATA ~~Corporation~~CORPORATION By: /s/ ~~Thomas~~THOMAS O. ~~McGimpsey~~MCGIMPSEY Thomas O. McGimpsey ~~Senior~~Executive Vice President and ~~General~~Chief ~~Counsel~~Legal Officer

Dated: ~~September 6~~May 30, ~~2005~~2006

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