Troubleshooting wireless connections in macOS Sequoia

Troubleshooting wireless connections in macOS Sequoia

1. Click on the Spotlight icon (magnifying glass symbol) in the upper right corner of the screen and type [keychain] in the search field.
   Click on the [keychain access] icon at the bottom.
   
   
   
   
2. When the [Manage Passwords with New Password App] screen pops up, click on [Open Keychain Access].
   
   
   
   
3. When the [Manage Your Passwords in the New Password App] screen pops up, click on [Open Keychain Access].
   
   
   
   
4. Select [Login] -> [My Certificates] from the left menu, and confirm that there is only one "CNS Login Name"@sfc.keio.ac.jp.
   If multiple certificates exist, delete the oldest one, leaving the one with the latest expiration date.
   
   
   
   
5. Please make sure that "CNS login name"@sfc.keio.ac.jp does not exist in [System] -> [My Certificates] in the left menu.
   If it exists, delete it.
6. Make sure the expiration date is the same as the one you see when you log in to https://itcsecure.sfc.keio.ac.jp/wlan/.
   
   
   
   
7. If the expiration date is different, reissue and install the personal certificate again.
8. Click the [Wi-Fi] icon on the menu bar in the upper right corner of the screen and select [CNS].
   
   
   
   
9. Select only certificates, check the [Remember this information] checkbox, and click the OK button.
   
   
   
   
10. On the [eapolclient is trying to sign using the key "privateKey" in the keychain] Enter the PC login password and click [Always allow].
    
    
    
    
11. If these steps do not improve the situation, restart macOS and start from step 8.