Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
BOLANDER FREDERICK W W
   2. Issuer Name and Ticker or Trading Symbol
CONCORD COMMUNICATIONS INC [CCRD] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
Director
(Last)
(First)
(Middle)
C/O CONCORD COMMUNICATIONS, INC., 600 NICKERSON ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
06/07/2005
(Street)

MARLBORO, MA 01752		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 06/07/2005   D   43,236 D $ 17 (1) 0 D  
Common Stock 06/07/2005   D   200 D $ 17 (1) 0 I By Wife (2)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) $ 23.5 06/07/2005 06/07/2005 D     5,000 06/07/2005(3) 04/30/2006 Common Stock 5,000 $ 0 (3) 0 D  
Stock Option (Right to Buy) $ 43.375 06/07/2005 06/07/2005 D     5,000 06/07/2005(4) 04/27/2007 Common Stock 5,000 $ 0 (4) 0 D  
Stock Option (Right to Buy) $ 21.625 06/07/2005 06/07/2005 D     5,000 06/07/2005(5) 04/25/2008 Common Stock 5,000 $ 0 (5) 0 D  
Stock Option (Right to Buy) $ 19.7 06/07/2005 06/07/2005 D     7,500 06/07/2005(6) 04/24/2010 Common Stock 7,500 $ 0 (6) 0 D  
Stock Option (Right to Buy) $ 12.5 06/07/2005 06/07/2005 D     3,750 06/07/2005(7) 04/30/2011 Common Stock 3,750 $ 0 (7) 0 D  
Stock Option (Right to Buy) $ 12.1 06/07/2005 06/07/2005 D     5,625 06/07/2005(8) 05/05/2012 Common Stock 5,625 $ 0 (8) 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BOLANDER FREDERICK W W
C/O CONCORD COMMUNICATIONS, INC.
600 NICKERSON ROAD
MARLBORO, MA 01752		   X     Director  

Signatures

 /s/ Douglas A. Batt, Pursuant to a Power of Attorney   06/09/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Disposed of pursuant to the merger agreement between Concord Communications and Computer Associates in exchange for the right to receive $17.00 per share
(2) The reporting person disclaims beneficial ownership of these securities, and this report shall not be deamed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
(3) This option was assumed by Computer Associates in the merger and replaced with an option to purchase 3,127 shares of Computer Associates common stock for $37.57 per share. Pursuant to its terms, this option became fully vested upon the consumation of Computer Associates' acquisition of Concord Communications
(4) This option was assumed by Computer Associates in the merger and replaced with an option to purchase 3,127 shares of Computer Associates common stock for $69.35 per share. Pursuant to its terms, this option became fully vested upon the consumation of Computer Associates' acquisition of Concord Communications
(5) This option was assumed by Computer Associates in the merger and replaced with an option to purchase 3,127 shares of Computer Associates common stock for $34.58 per share. Pursuant to its terms, this option became fully vested upon the consumation of Computer Associates' acquisition of Concord Communications
(6) This option was assumed by Computer Associates in the merger and replaced with an option to purchase 4,691 shares of Computer Associates common stock for $31.50 per share. Pursuant to its terms, this option became fully vested upon the consumation of Computer Associates' acquisition of Concord Communications
(7) This option was assumed by Computer Associates in the merger and replaced with an option to purchase 2,345 shares of Computer Associates common stock for $19.99 per share. Pursuant to its terms, this option became fully vested upon the consumation of Computer Associates' acquisition of Concord Communications
(8) This option was assumed by Computer Associates in the merger and replaced with an option to purchase 3,518 shares of Computer Associates common stock for $19.35 per share. Pursuant to its terms, this option became fully vested upon the consumation of Computer Associates' acquisition of Concord Communications

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