284 6 Troubleshooting
027-444 The IP address of IPv6 already exists.
Change the [Auto Stateless Address 3] for IPv6 on the machine, or the IP address of IPv6 on the
network device, to remove the duplication of addresses.
027-445 IP address for IPv6 set manually is incorrect.
Set the IP address correctly.
027-446 The IP address of IPv6 set manually already exists.
Change the [Manually Configured IPv6 Address] on the machine, or the IP address of IPv6 on the
network device, to remove the duplication of addresses.
027-447 The IP address of IPv6 already exists.
Change the [Link-local Address] for IPv6 on the machine, or the IP address of IPv6 on the network
device, to remove the duplication of addresses.
027-452 IP address of IPv4 already exists.
Change the IP address of IPv4 set on the machine or the IP address of IPv4 on the network device.
027-500 Unable to connect to the SMTP server.
Specify the SMTP server name correctly or specify the server by using its IP address.
027-501 A POP server error occurred.
Execute the operation again. If the error still is not resolved, contact our Customer Support Center.
027-502 Failed to log into the POP3 server when using the POP3 protocol.
Confirm whether the user name and password used in the POP3 server are correct on CentreWare
Internet Services.
027-503 A POP server error occurred.
Execute the operation again. If the error still is not resolved, contact our Customer Support Center.
027-504 An SMTP server error occurred.
Execute the operation again. If the error still is not resolved, contact our Customer Support Center.
027-700 The domain section of the recipient’s e-mail address is a prohibited domain.
Specify a domain that is not prohibited for the domain section of the recipient’s e-mail address.
027-701 The network cable is disconnected from the machine.
Connect the network cable securely if the cable is disconnected.
027-702 The specified recipient’s certificate does not exist.
Register the certificate for the recipient on the machine.
027-703 The specified recipient’s certificate has expired.
Register a valid certificate for the recipient on the machine.
027-704 The CA certificate of the specified recipient’s certificate does not exist.
Confirm the path to the recipient’s certificate, and register the required CA certificate on the machine.
027-705 The specified recipient’s certificate has been revoked.
Specify a valid certificate for the recipient.
027-706 Unable to find the S/MIME certificate associated with the machine’s e-mail address when sending e-
mail.
Import the S/MIME certificate corresponding to the mail address to the machine.
027-707 The S/MIME certificate associated with the machine’s e-mail address has expired when sending e-mail.
Ask the sender to issue a new S/MIME certificate, and then import the certificate to the machine.
027-708 The S/MIME certificate associated with the machine’s e-mail address is not reliable when sending e-
mail.
Import a reliable S/MIME certificate to the machine.
027-709 The S/MIME certificate associated with the machine’s e-mail address has been discarded when sending
e-mail.
Import a new S/MIME certificate to the machine.
027-710 No S/MIME certificate is attached to the received e-mail.
Ask the sender to send the e-mail with an S/MIME certificate attached.
Error Code Cause/Remedy
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