An Error Message Appears on Screen

Article Number:020267

This section provides solutions for an error screen displayed when accessing cybozu.com.

The "Invalid Request" Message Is Displayed

Wait for a while, and then log in again.
You can check the information on the maintenance and incident status in the following page.
Maintenance Information

The "Code: CB_NO02" Message Is Displayed

This code has two types of messages.

When "No privilege to proceed." is displayed

Screenshot: An error message is displayed

Example of message:

No privilege to proceed.

You may not have the privilege to access the page you are trying to view.
For example, this could be caused by access to a page that you do not have the view permission or to a guest space you do not join.

Ask the user who shared the URL to check the permission or to invite you to the guest space.
Guest Management (Inviting Guests)

When "You do not have permission to access this service." is displayed

Screenshot: An error message is displayed

Example of message:

You do not have permission to access this service.

It seems that the user is accessing a URL of the service that the user does not have permission.
For example, if the URL of kintone is shared with the user who is not allowed to use kintone, this error message appears.

To be able to use the services that show the errors, ask the Administrators to change the configuration for available services.
Changing Available Services (by Users)

The "Code: 401 Unauthorized" Message Is Displayed

Screenshot: An error message is displayed

Example of message:

Authentication is required for access.

It appears that the access is restricted by Basic authentication.
Contact administrators for information required for Basic authentication.

The "Code: 403 Forbidden" Message Is Displayed

Screenshot: An error message is displayed

Example of message:

Authentication is required for access.

A possible reason is that the access is restricted due to IP address restrictions.
Take one of the following actions:

The "Code:404 NotFound" Message Is Displayed

Screenshot: An error message is displayed

Example of message:

This link is not valid.

It seems that the login URL is not correct.
Check the correct URL, and then try to log in again.
If You Forget Your Login URL

The "Code: 429 Too Many Requests" Message Is Displayed

Screenshot: An error message is displayed

Example of message:

Too many requests have been received.
Wait a while and try again later.

It is displayed when cybozu.com is receiving too many access requests from users and programs.
Wait for a while and then try access again.

The "Code: 495 Cert Error" Message Is Displayed

Screenshot: An error message is displayed

Example of message:

Your client certificate has expired or has been disabled.

When using Client Certificate Authentication, you need a valid client certificate.
You cannot extend the expiration dates of existing client certificates.
If the client certificate has already expired, ask your administrator to issue a new one.
Reissuing client certificate

The "Code: 496 No Cert" Message Is Displayed

Screenshot: An error message is displayed

Example of message:

A valid client certificate is required to access this site.

You must register a client certificate to your Web browser or mobile device in order to use Client Certificate Authentication.
Refer to the following page and check that a client certificate is registered.
Checking If a Client Certificate Has Been Registered

If A Client Certificate Has Been Registered

Log in to cybozu.com from the URL containing ".s".
https://(subdomain_name).s.cybozu.com/

If you cannot access cybozu.com even though your client certificate has been registered, contact our support.
How to Contact Us

If A Client Certificate Has Not Been Registered

Ask your administrator to issue a client certificate.
Register the issued client certificate in your device and try to log in again.

If You Do Not Use Client Certificate Authentication

Log in to cybozu.com from the URL which does not contain ".s".
https://(subdomain_name).cybozu.com/

The "Code: 503 Service Unavailable" Message Is Displayed

Screenshot: An error message is displayed

Example of message:

Sorry, we are performing scheduled maintenance.

cybozu.com is under maintenance.
Wait for a while, and then log in again.
You can check the maintenance status in the following page:
Maintenance Information