Back to homeWhy can't I log in to OneNS portal?Updated by MINDEF 26d agoIf you encounter technical issues logging into OneNS portal, please send a screenshot of the error to the NS Contact Centre via contact@ns.gov.sg.Was this answer helpful?NoYesYour opinion matters! Be the first to vote.Related questionsWhere to report technical difficulties?What is "Error 403"?How can I get a copy of my SAF100 letter if I am unable to login to OneNS?How do I log in to OneNS?Need more help?Get in touch