-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 VK+mQSuW0hGp1BicqePgiiaE9lnPjzejwlOS3A6BOxolH/IoiTi9BeWqH3Z9HbLn
 d9yVo62zglFiJsYywUOsIQ==

<SEC-DOCUMENT>0001219038-03-000019.txt : 20031105
<SEC-HEADER>0001219038-03-000019.hdr.sgml : 20031105
<ACCEPTANCE-DATETIME>20031105172843
ACCESSION NUMBER:		0001219038-03-000019
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031008
FILED AS OF DATE:		20031105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CONCORD COMMUNICATIONS INC
		CENTRAL INDEX KEY:			0000915290
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				042710876
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		600 NICKERSON RD
		CITY:			MARLBORO
		STATE:			MA
		ZIP:			01752
		BUSINESS PHONE:		5084604646

	MAIL ADDRESS:	
		STREET 1:		600 NICKERSON RD
		CITY:			MARLBORO
		STATE:			MA
		ZIP:			01752

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SHEAHAN DANIEL
		CENTRAL INDEX KEY:			0001211152

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23067
		FILM NUMBER:		03980391

	BUSINESS ADDRESS:	
		STREET 1:		C/O CONCORD COMMUNICATIONS
		STREET 2:		600 NICKERSON RD
		CITY:			MARLBORO
		STATE:			MA
		ZIP:			01752
		BUSINESS PHONE:		5084864422

	MAIL ADDRESS:	
		STREET 1:		C/O CONCORD COMMUNICATIONS
		STREET 2:		600 NICKERSON RD
		CITY:			MARLBORO
		STATE:			MA
		ZIP:			01752
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-10-08</periodOfReport>
    <issuer>
        <issuerCik>0000915290</issuerCik>
        <issuerName>CONCORD COMMUNICATIONS INC</issuerName>
        <issuerTradingSymbol>CCRD</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001211152</rptOwnerCik>
            <rptOwnerName>SHEAHAN DANIEL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CONCORD COMMUNICATIONS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>600 NICKERSON ROAD</rptOwnerStreet2>
            <rptOwnerCity>MARLBORO</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01752</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>EVP, Worldwide Sales </officerTitle></reportingOwnerRelationship></reportingOwner><derivativeTable><derivativeTransaction><securityTitle><value>Incentive Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>14.65</value></conversionOrExercisePrice><transactionDate><value>2003-10-08</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>11922</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2004-10-08</value><footnoteId id="F1"/></exerciseDate><expirationDate><value>2011-10-08</value></expirationDate><underlyingSe
curity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>11922</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>11922</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><securityTitle><value>Non-qualified stock option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>14.65</value></conversionOrExercisePrice><transactionDate><value>2003-10-08</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>48078</value></transactionShares><transactionPricePerShare><value>0</value></tr
ansactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2004-10-08</value><footnoteId id="F1"/></exerciseDate><expirationDate><value>2011-10-08</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>48078</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>48078</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">60,000 option shares were granted on 10/8/03 of which 48,078 shares are Non-qualified Stock Options and 11,922 shares are Incentive Stock Options.  (A) 11,922 Incentive Stock Option shares vest as follows: 1,699
 option shares vest and become exercisable on 10/8/04; 1,699 option shares vest and become exercisable on 10/8/05; 1,699 option shares vest and become exercisable on 10/8/06; and 6,825 shares vest and become exercisable on 10/8/07.  (B) 48,078 Non-qualified Stock Option Shares vest as follows:  13,301 shares vest and become exercisable on 10/8/04; 13,301 option shares vest and become exercisable on 10/8/05; 13,301 option shares vest and become exercisable on 10/8/06; and 8,175 option shares vest and become exercisable on 10/8/07.</footnote></footnotes><remarks/><ownerSignature><signatureName>Douglas A. Batt, Attorney-In-Fact</signatureName><signatureDate>2003-11-05</signatureDate></ownerSignature></ownershipDocument>

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</SEC-DOCUMENT>
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