If the SAML certificate expires, users become unable to single sign-on to Kintone.
When the certificate is about to expire, issue a new certificate with IdP and register it to Kintone.

1. Click in the header.

2. Click Users & System Administration.
   Accessing Kintone Users & System Administration

3. Click Login.

4. In "SAML Authentication" section, click Browse under "Select a Certificate" and select a new public key certificate.

5. Click Save.

6. Confirm that, as a user, you can single sign-on into Kintone through SAML authentication.
   The renewal is complete if you can perform the following actions successfully:

   • When you access Kintone, you are authenticated by the IdP successfully and directed to a screen that appears for logged-in users.
   • You can log out successfully.
     At the upper right corner of the screen, click to the right of the user name, and then click Logout in the drop-down list.