This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

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.

Learn More

I can't sync my exchange calendar with Thunderbird calendar?

  • 4 cavab
  • 1 has this problem
  • 1 view
  • Last reply by heshamzoom

more options

I am using lighting and TbSync to sync my exchange calendar but it seems it is taking me nowhere, I put all information needed to connect but when I write my password it tells me :error HTTP 401 " Can't authenticate, check username and password.

I am using lighting and TbSync to sync my exchange calendar but it seems it is taking me nowhere, I put all information needed to connect but when I write my password it tells me :error HTTP 401 " Can't authenticate, check username and password.
Attached screenshots

All Replies (4)

more options

Do you have the Provider for Exchange ActiveSync add-on, and who is the calendar provider?

more options

Yes I have provider for Exchange ActiveSync add-on and the calendar is provided by the university that I work for.

more options

Does creating an app password help in your case?

https://github.com/jobisoft/EAS-4-TbSync/issues/46

more options

I don't know...I just read it and it sounds legit!...I have to try it first. I think this is a step in the right direction thanks to you.