Washington, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

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

                                 April 27, 2005

                Date of Report (Date of earliest event reported)

                          Concord Communications, Inc.
               (Exact name of registrant as specified in charter)


       Massachusetts                   0-23067                   04-2710876
       -------------                   -------                   ----------
(State or other jurisdiction   (Commission File Number)        (IRS Employer
     of incorporation)                                      Identification No.)

          400 Nickerson Road, Marlboro, Massachusetts              01752
          -------------------------------------------              -----
            (Address of principal executive offices)             (Zip Code)

       Registrant's telephone number, including area code: (508) 460-4646

                                 Not Applicable
          (Former name or former address, if changed since last report)


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):

|_|   Written communications pursuant to Rule 425 under the Securities Act
      (17 CFR 230.425)

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

|_|   Pre-commencement communications pursuant to Rule 14d-2(b) under Exchange
      Act (17 CFR 240.14d-2(b))

|_|   Pre-commencement communications pursuant to Rule 13e-4(c) under Exchange
      Act (17 CFR 240.13e-4(c))



Item 2.02.  Results of Operations and Financial Condition.

     On April 27, 2005, Concord issued a press release announcing its results of
operations for the quarterly period ending March 31, 2005. A copy of the press
release is attached hereto as Exhibit 99.1 and is incorporated herein by

     The following information, including the Exhibit Number 99.1 attached
hereto, shall not be deemed "filed" for purposes of Section 18 of the Securities
Exchange Act of 1934, as amended, nor shall it be deemed incorporated by
reference in any filing under the Securities Act of 1933, as amended, except as
expressly set forth by specific reference in such filing.

Item 9.01.  Financial Statements and Exhibits.

         (c) Exhibits.

                  Exhibit Number      Description
                  --------------      -----------
                           99.1       Press release dated April 27, 2005




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.

                                   CONCORD COMMUNICATIONS, INC.

                                   By:  /s/ Melissa H. Cruz
Date: April 27,  2005                   Melissa H. Cruz
                                        Executive Vice President of Business
                                        Services, Chief Financial Officer and