FORMTable 6-K of Contents

~~SECURITIES~~FORM ~~AND EXCHANGE COMMISSION~~6-K

~~Washington,~~SECURITIES ~~D.C.~~AND ~~20549~~EXCHANGE COMMISSION

~~Report~~Washington, ofD.C. ~~Foreign Private Issuer~~20549

~~Pursuant~~Report toof ~~Rule 13a-16~~Foreign orPrivate ~~15d-16~~Issuer ~~under the Securities Exchange Act of 1934~~

~~June~~Pursuant to Rule ~~15,~~13a-16 ~~2005~~or 15d-16 under the Securities Exchange Act of 1934

~~Commission~~July 6, ~~File Number 000-30838~~2005

~~InfoVista~~Commission ~~S.A.~~File Number 000-30838

~~(Translation~~InfoVista ~~of registrant’s name into English)~~S.A.

~~6, rue de la Terre de Feu 91940 Les Ulis, France~~ (~~Address~~Translation of ~~principal~~registrant’s ~~executive~~name ~~offices~~into English)

~~Indicate~~6, byrue ~~check~~de ~~mark~~la ~~whether~~Terre ~~the~~de ~~registrant~~Feu 91940 ~~files~~Les orUlis, ~~will~~France (Address ~~file annual reports under cover~~ of ~~Form~~ ~~20-F~~principal orexecutive ~~Form 40-F:~~offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F: þor Form 40-F: o

~~Indicate by check mark if the registrant is submitting the~~ Form 620-KF: inþ ~~paper~~Form ~~as permitted by Regulation S~~40-~~T Rule 101(b)(1)~~F: o

~~Yes:~~Indicate oby ~~No:~~check þmark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

~~Indicate~~Yes: byo ~~check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7)~~No: þ

~~Yes:~~Indicate oby ~~No:~~check þmark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

~~Indicate~~Yes: byo ~~check~~No: mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. þ

~~Yes:~~Indicate oby ~~No:~~check þmark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

~~If “~~Yes”: iso ~~marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b)~~No: ~~82-______________~~ þ

~~Enclosures:~~If ~~InfoVista~~“Yes” ~~Implements~~is amarked, ~~Liquidity~~indicate ~~Contract~~below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-_________________

~~SIGNATURES~~Enclosures: InfoVista Fourth Quarter Revenue Expected to Exceed Guidance

~~Pursuant~~TABLE toOF ~~the requirements of the Securities Exchange Act of 1934, InfoVista S.A. has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.~~ CONTENTS

	InfoVista S.A.
Date: June 15, 2005	By:	/s/ Philippe Ozanian
		Name:	Philippe Ozanian
		Title:	Chief Financial Officer


SIGNATURES
INFOVISTA FOURTH QUARTER REVENUE EXPECTED TO EXCEED GUIDANCE

INFOVISTATable IMPLEMENTSof A LIQUIDITY CONTRACT Contents

~~Les Ulis, France — June 15, 2005 — InfoVista (Compartment C of Eurolist by Euronext — ISIN Code:~~SIGNATURES ~~FR0004031649, NASDAQ: IVTA), today announced that it has mandated Fortis Bank as a~~ ~~financial services intermediary (‘prestataire de services d’investissement’) to implement a~~ liquidity contract (‘contrat de liquidité’) effective June 14, 2005 and for an indeterminate period of time. This contract is compliant with the Business Ethics Charter of the AFEI (French Association of Investment Firms) which was approved on March 14, 2005 by the French AMF (‘Autorité des marchés financiers’).

~~This~~ Pursuant ~~contract~~to ~~relates~~the torequirements of the Securities Exchange Act of 1934, InfoVista ~~shares~~S.A. ~~traded~~has duly caused this report to be signed on ~~Eurolist~~its behalf by ~~Euronext~~the undersigned, thereunto duly authorized.

The following resources have been allocated to the liquidity account:


	InfoVista S.A.
Date: July 6, 2005	By:	/S/ Philippe Ozanian
		Name:	Philippe Ozanian
		Title:	Chief Financial Officer

	•		11,603 ordinary shares
	•		97,604.99 euros

~~Contact:~~FOR ~~Karena~~IMMEDIATE ~~D’Arcy~~RELEASE ~~Investor Relations Manager InfoVista +33 1 64 86 85 65 kdarcy@infovista.com~~

~~About~~INFOVISTA ~~InfoVista~~FOURTH QUARTER REVENUE EXPECTED TO EXCEED GUIDANCE

InfoVista is the Service-Centric Performance Management Software Company that assures the optimal delivery of business-critical IT services. Driven by a uniquely adaptive and real-time technology foundationParis, ~~InfoVista~~France ~~solutions improve business effectiveness, reduce operating risk, lower cost of operations, increase agility~~ and ~~create competitive advantage. Eighty percent of the world’s largest service providers as ranked by Fortune®~~Herndon, asVirginia ~~well~~— ~~as leading Global 2000 enterprises~~July 6, ~~rely~~2005 on— InfoVista to(Compartment ~~enhance~~C ~~the business value~~ of ~~their~~Eurolist ~~technology assets.~~by ~~Representative~~Euronext ~~customers~~— ~~include~~ISIN ~~Allstream,~~Code: ~~Banques Populaires~~FR0004031649, ~~Banque~~NASDAQ: ~~de France, Broadwing Communications, Defense Information Systems Agency (DISA~~IVTA), ~~Deloitte~~the &leading ~~Touche,~~service-centric ~~Deutsche Telecom,~~performance ~~France~~management ~~Telecom,~~software ~~Savvis Corporation~~company, ~~SingTel,~~today USannounced ~~Cellular~~that ~~and~~its ~~Verio~~preliminary ~~Inc.~~results ~~InfoVista~~for ~~stock~~the isfourth ~~traded~~quarter onended ~~the NASDAQ (IVTA)~~June ~~and~~30, ~~the~~2005 ~~Nouveau~~should ~~Marché~~exceed ~~(FR0004031649). For more information about~~ the company~~, please~~’s ~~visit~~earlier ~~www~~guidance.~~infovista.com~~

~~Cautionary~~On ~~Statement~~July 25 ~~for~~2005, ~~Purposes~~InfoVista ofexpects ~~the~~to ~~“Safe~~report ~~Harbor”~~that ~~Provisions~~fourth ofquarter ~~the~~total ~~Private~~revenues ~~Securities~~will be ~~Litigation~~approximately ~~Reform Act of 1995: Except for historical information contained herein~~€9.5 million, against the ~~matters discussed~~original inguidance ~~this~~of ~~news release are “forward looking statements~~€8.”5 million. ~~These~~This ~~statements~~will ~~involve~~be ~~risks~~the ~~and~~highest ~~uncertainties~~quarterly ~~which~~revenue ~~could~~ever ~~cause~~reported ~~actual~~by ~~results to differ materially from those in such forward-looking statements; including, without limitation, risks and uncertainties arising from~~ the ~~rapid~~ ~~evolution~~Company. ofAs ~~our~~a ~~markets~~result, ~~competition,~~InfoVista ~~market~~now ~~acceptance~~anticipates ~~of our products, our dependence upon~~total ~~spending~~revenues byfor the ~~telecommunications~~fiscal ~~industry~~year ~~and~~ended ~~our~~June 30 ~~ability~~2005, to ~~develop~~be ~~and~~above ~~protect~~the ~~new technologies.~~€34 million ~~For a description of other factors which might affect our actual results~~mark, ~~please see~~ ~~the~~representing ~~“Risk~~20% ~~Factors”~~growth ~~section~~over ~~and other disclosures in InfoVista’s public filings with~~ the ~~US Securities~~previous &fiscal ~~Exchange Commission and French Autorité des Marchés Financiers~~year. ~~Readers~~InfoVista ofalso ~~this~~expects ~~news release~~its ~~are~~quarterly ~~cautioned not to put undue reliance on any forward-looking statement. The Company~~net ~~undertakes~~results ~~no obligation~~ to ~~publicly~~be ~~update any forward-looking statements, whether as a result of new information, future events or otherwise~~positive.

InfoVista iscautioned that the results are unaudited. The Company will report its full fourth quarter and fiscal year 2005 results on July 25, 2005. It will also host an investor conference call on the same day at 9:00 a.m. ~~registered~~(EST) ~~trademark~~/ of2:00 ~~InfoVista~~p.m. (UK) / 3:00 p.m. (Continental Europe). The call will be available by dialing +44 (0)20 7365 1834 in the UK/Europe, Sor +1 718 354 1171 in North America. A. replay of the teleconference will be available shortly after the end of the conference call at the following numbers: UK/Europe: +44 (0)20 7784 1024, North America: +1 718 354 1112, Passcode: 4002622.


Contact:		Karena D’Arcy Investor Relations Manager, InfoVista +33 1 64 86 85 65 kdarcy@infovista.com
		- or -
		Kirsten Hendrie Cubitt Consulting (London) +44 (0)20 7367 5100 kirsten.hendrie@cubitt.com
		- or -
		Tom Rozycki Cubitt (New York) +1 212 279 3115 tom@cjpcom.com

About InfoVista

Cautionary Statement for Purposes of the “Safe Harbor” Provisions of the Private Securities Litigation Reform Act of 1995: Except for historical information contained herein, the matters discussed in this news release are “forward looking statements.” These statements involve risks and uncertainties which could cause actual results to differ materially from those in such forward-looking statements; including, without limitation, risks and uncertainties arising from the rapid evolution of our markets, competition, market acceptance of our products, our dependence upon spending by the telecommunications industry and our ability to develop and protect new technologies. For a description of other factors which might affect our actual results, please see the “Risk Factors” section and other disclosures in InfoVista’s public filings with the US Securities & Exchange Commission and French Autorité des Marchés Financiers. Readers of this news release are cautioned not to put undue reliance on any forward-looking statement. The Company undertakes no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise.

InfoVista is a registered trademark of InfoVista, S.A.

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INFOVISTATable IMPLEMENTSof A LIQUIDITY CONTRACT Contents

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