Open Employee Service Centre in existing tabSummaryUser wants the link from the navigator to open a Service Portal or Employee Service portal in the same tab in Polaris instead of a new tab. Normally the new tab will have [instance].service-now.com/sp or /escReleaseTokyoInstructionsAs an admin -- search for the portal short cut on the navigator, like "Service Portal Home". Click on the pen icon beside it. This opens Module/Sys_app_module record for that shortcut. Clear out the window name field. Refresh the browser tab, then retest the link.