Key while it’s booting, then sign in with your password and your Mac will then check your disks. Please kindly try this firstly and if the issue persists, to isolate whether this issue is related with other programs in your Mac, please try to boot your Mac in safe mode and check the result: to do this, restart your Mac and hold “ Shift” Thanks for your update, if the issue persists after you clear SFB caches, may I confirm whether you have refered to the article I mentioned in my first reply to do a clean uninstall and re-install SFB on a different hard disk which has more free space to * We are happy and always here to help you, and share the Microsoft 365 for business online information with you. Jennifer * Beware of scammers posting fake support numbers here. Thanks for your understanding and cooperation.

To help you better, could you please share all related information I mentioned in my first reply I will try my best to help you with this issue. Hope above steps can help to fix this issue, please feel free to let me know if you need further assistance. Note: You may have to unlock your keychain by using your password.

Delete all keychains starting with Skype for Business.

Open Keychain Access from /Applications/Utilities folder.

Go to Finder > press Command+Shift+G > type in /users//library > delete the following files:.In the meantime, please kindly try below steps to clear SFB caches to see if there is any improvement: May I confirm whether you have checked if both your SFB client and Mac OS are update to the latest version? Thank you for contacting us, I'm so sorry to hear this issue happens again.

Mac os skype for business