Canon imageRUNNER ADVANCE C350 series Service Manual page 180

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Technical Explanation > MEAP > Login to SMS > How to Deal with a Message "Certificate Error" That Appears at the Time of Access
● If login is not possible due to exclusive control
Since access to SMS is under exclusive control, you cannot log in if another user has already
logged into the SMS of the same device.
An example of the exclusive control message
If you cannot log in due to exclusive control, you need to ask the other user to log out before
you can try again.
Note:
If you close the browser without logging out, the session remains active. In that case,
you cannot log in again.
If this problem occurs, you can wait for 5 minutes so that the session is disconnected.
Or, you can restart the device to force the session to disconnect.
If [Key and Certificate Settings] is not set
If [Key and Certificate Settings] is not set correctly, you cannot access the URL for SMS
(https://<device's IP address>:8443/sms/). In that case, perform the following procedure.
1) Go to http://<device's IP address>:8000/sms/, and check to see that "HTTP 500 Internal
Server Error" appears.
2) If it appears, perform the procedure "Key Pair and Server Certificate when Using Encrypted
SSL Communication" in this chapter.
Note:
In the case of SMS, by setting the key to be used, encrypted SSL communication
is always executed regardless of the following setting: [Settings/Registration] >
[Management Settings] > [License/Other] > [MEAP Settings] > [Use SSL] > ON/OFF.
2 Technical Explanation > MEAP > Login to SMS > How to Deal with a Message "Certificate Error" That Appears at the Time of Access
■ How to Deal with a Message "Certificate Error" That Appears at
the Time of Access
When accessing from the browser to SMS, a message "Certificate Error" appears in
some cases. In that case, perform the procedure "Installing a server certificate (reference
information)" in this chapter.
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