SAP Knowledge Base Article - Preview

2803484 - Enterprise Portal error 'Could not open new browser window.' is displayed


While attempting to navigate or open certain applications (E.g: WebDynpros, ESS, MSS, BSPs etc.) under your Enterprise Portal you receive an error:


Could not open new browser window. Contact your system administrator for assistance.

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.



  • SAP NetWeaver Application Server for Java release independent
  • Enterprise Portal


SAP NetWeaver all versions


microsoft, internet explorer, ie, msie, apple, safari, google, chrome, mozilla, firefox, ess, mss, xss, employee, manager, self, service, webdynpro, web, dynpro, bex, bi, bw, not opening, opened, cannot, blocked, reports, reporting, end user, users, all, some, certain, specific, sporadic , KBA , whitelist , whitelisted , EP-PIN-AI , Application Integration , CA-ESS-WD , ESS Web Dynpro , EP-PIN-NAV , Navigation , EP-PIN-PRT , Portal Runtime , EP-PIN-PCM , Portal Content Model , Problem

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