Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

ఇంకా తెలుసుకోండి

MS Exchange 2010 Outook Web App "Untrusted Connection" error in Firefox. No issue with IE or Chrome

  • 1 ప్రత్యుత్తరం
  • 2 ఈ సమస్యలు కలిగి ఉన్నాయి
  • 70 వీక్షణలు
  • చివరి సమాధానమిచ్చినది cor-el
  • ఆర్కైవ్ చేయబడింది

I installed Microsoft Root CA Certificate on my Computer. (For Exchange 2010 Outlook Web Access) But Firefox appear "This Connection is Untrusted" error ((Error code: sec_error_unknown_issuer)). IE and Chrome works fine. My firefox version is 18.0.1.

I want to fix this issue without adding a exception. Please help.

I installed Microsoft Root CA Certificate on my Computer. (For Exchange 2010 Outlook Web Access) But Firefox appear "This Connection is Untrusted" error ((Error code: sec_error_unknown_issuer)). IE and Chrome works fine. My firefox version is 18.0.1. I want to fix this issue without adding a exception. Please help.

ప్రత్యుత్తరాలన్నీ (1)

Try to export those certificates in IE and import the certificates in Firefox.

  • Tools > Options > Advanced : Encryption: Certificates - View Certificates

If this is to be a root certificate then you need to set the applicable trust bits.