Unable to Access Due to Client Certificate Error

When you try to access an URL that requires client certificate authentication (https://subdomain name.s.cybozu.com/), an error message ("A client certificate is required for access. Code: 496 No Cert") might be displayed to prevent access.

You must register a client certificate to your Web browser in order to use the Client Certificate Authentication.
Check that a client certificate is registered, and then try to access again.

Basic Solutions

  1. Check whether a client certificate for the Client Certificate Authentication has been registered in your Web browser or mobile device.

    • Google Chrome:
      Click Google menu icon on the upper right side of the screen, and then select "Settings" -> "Privacy and Security" -> "Manage certificates" -> "Your certificates" tab.
    • iOS:
      On the home screen, select "Settings" -> "General" -> "Profile".
  2. Reboot the Web browser.

  3. Depending on your Web browser, do either of the followings.

    • Google Chrome or Android Chrome:
      Access Chrome using the secret mode. For details, see Google's site regarding the Private Browsing.

    • Internet Explorer:
      Select "Tool" -> "Internet Options" -> "Content" -> "Clear SSL State".

If No Client Certificate Is Registered

If any client certificate has not been registered, follow the procedure below.
Described below is a procedure to follow when you are using Google Chrome in your Windows environment.

  1. In kintone, click the down arrow icon Down arrow icon on the upper right side of the screen, and then click Account Settings.

  2. Click Mobile Access, and note the password displayed in the Client Certificate section.

  3. Expand Access via Web Browser, and enter your e-mail address to receive a client certificate.  

  4. Double click the client certificate you received ("your login name.pfx"), specify the Current User as the place to store that certificate, and then click Next.

  5. Check that the client certificate is displayed in the File Name field, and then click Next.

  6. Enter a password for the client certificate, select "Include all extended properties" under "Internet Options", and then click Next.

  7. Select "Automatically select the certificate store based on the type of certificate", and click Next.

  8. Click Done, and then click OK.