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Cause 1
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The machine and cable are not properly connected.
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Remedy
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Confirm that the machine is connected to the network using the correct cable, and then restart the machine. (See "Connecting the Machine to a Computer or Network.")
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Cause 2
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[Confirm Network Connection Set. Changes] is set to 'On', although the machine is not connected to a network.
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Remedy
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Set [Confirm Network Connection Set. Changes] to 'Off'.
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Cause 1
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Because the IP address cannot be obtained automatically via DHCP or Auto IP, [IP Address] in <IP Address Settings> (in the IPv4 Settings) is set to '0.0.0.0'.
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Remedy
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See "TCP/IPv4 Settings" to specify the correct IPv4 address.
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Cause 2
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'0.0.0.0' is set as a static IPv4 address in [IP Address] of <IP Address Settings> (in the IPv4 Settings).
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Remedy
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See "TCP/IPv4 Settings" to specify the correct IPv4 address.
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Cause 3
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The IPv6 addresses are not properly set up.
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Remedy
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Check the following:
Confirm that the settings for the addresses (<Use Stateless Address>, <Use Manual Address>, or <Use DHCPv6>) are set to 'On'.
If you are using a stateless address or DHCPv6, confirm that addresses can be obtained.
If addresses cannot be obtained, check the settings of the router or DHCPv6 server.
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Cause 4
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The IP address of the DNS server is not correct.
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Remedy
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See "TCP/IPv4 Settings" or "TCP/IPv6 Settings" to check the IP address of the DNS server.
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Cause 5
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Sending could not be performed due to a lack of resources in the TCP/IP protocol stack.
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Remedy
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See "TCP/IPv4 Settings" or "TCP/IPv6 Settings" to specify the correct IPv4/IPv6 address.
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Cause 1
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The WebDAV server does not support SSL encrypted communication.
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Remedy
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Specify the SSL settings required for your environment on the WebDAV server.
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Cause 2
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The proxy server does not support SSL encrypted communication.
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Remedy
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If the WebDAV client is connected to the Internet via a proxy server, set the proxy server to use SSL.
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Cause 1
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An error occurred in the WebDAV server or proxy server.
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Remedy
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Check the following:
Check the settings for the WebDAV server.
Check the settings of the proxy server.
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Cause 2
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External access to the target files or directories was denied.
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Remedy
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Check the following:
Check the settings for the WebDAV server.
See "Specifying Destinations" to confirm the settings for a recipient address.
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Cause 3
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The WebDAV server is busy because of heavy access.
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Remedy
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Try sending again later.
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Cause 4
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Sending files in chunks is not allowed.
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Remedy
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Press [Off] for [Use Divided Chunk Send for WebDAV TX] in [Send] in [Function Settings] (Settings/Registration). (See "Dividing Data into Chunks When Sending with WebDAV.")
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Cause 5
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The size of the sent data is too large.
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Remedy
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Confirm the size of the sent data.
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Cause 6
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The specified URI (host name and folder path specified as the recipient address) is too long.
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Remedy
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See "Specifying Destinations" to confirm the full path for the HTTP server entered in [Host Name] and the WebDAV folder path entered in [Folder Path] as the recipient address.
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Cause 1
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The machine tried to access the destination without using a proxy server, but it was necessary to access via a proxy server.
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Remedy
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Check the following:
Check the settings for the WebDAV server.
Confirm the proxy server settings. (See step 12 in "Settings Common to TCP/IPv4 and TCP/IPv6.")
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Cause 2
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Access to the destination was denied.
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Remedy
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Check the settings for the WebDAV server.
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Cause 3
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The machine tried to access the destination via a proxy server without using SSL encrypted communication.
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Remedy
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Press [Off] for [Use Divided Chunk Send for WebDAV TX] in [Send] in [Function Settings] (Settings/Registration). (See "Dividing Data into Chunks When Sending with WebDAV.")
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Cause 4
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The proxy server failed to communicate with the upstream server.
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Remedy
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Check the following:
Check the settings for the WebDAV server.
Check the settings of the proxy server.
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Cause 5
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According to the request from the WebDAV client, the HTTP protocol version which is not supported by the WebDAV server is used.
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Remedy
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Check the settings for the WebDAV server.
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Cause 6
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The disk space on the WebDAV server was insufficient to process the request from the WebDAV client.
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Remedy
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Free up sufficient disk space on the WebDAV server.
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Cause
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Proxy server authentication failed.
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Remedy
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See step 12 in "Settings Common to TCP/IPv4 and TCP/IPv6" to confirm the settings of the proxy server.
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Cause
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The same IPv4 address that is set to this machine already exists on the same network.
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Remedy
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See "TCP/IPv4 Settings" to change the IP address of this machine not to be duplicated with the IP addresses which are set to the other devices.
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Cause
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The key pair or server certificate to use has not been registered.
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Remedy
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It is necessary to register a key pair and server certificate in order to perform encrypted SSL communication. See "Generating a Key Pair and Server Certificate" or "Registering a Key Pair File and Server Certificate File Installed from a Computer" to register a key pair.
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Cause
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The key you are trying to erase is currently being used for encrypted SSL communication or used for the Restrict Receiving for Each Function mode in the device information delivery.
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Remedy
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Cancel all SSL settings and encrypted SSL communication. Set all settings for [Restrict Receiving for Each Function] in Device Information Delivery Settings to 'On.' For details, see "Specifying Device Information Distribution Settings."
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Cause
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The key you are trying to erase is currently being used for encrypted SSL communication or used for the Restrict Receiving for Each Function mode in the device information delivery.
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Remedy
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Cancel all SSL settings and encrypted SSL communication. Set all settings for [Restrict Receiving for Each Function] in Device Information Delivery Settings to 'On.' For details, see "Specifying Device Information Distribution Settings."
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Cause
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You are trying to register a key pair file which uses an unsupported encryption algorithm.
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Remedy
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Register key pair file which uses a supported encryption algorithm. (See "Registering a Key Pair File and Server Certificate File Installed from a Computer.")
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Cause
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The certificate is invalid.
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Remedy
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Reinstall the valid certificate.
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Cause
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The certificate is invalid.
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Remedy
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Reinstall the valid certificate.
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Cause 1
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The certificate has expired.
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Remedy
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Confirm the expiration date for the certificate. If it has expired, register a certificate which has not expired.
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Cause 2
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The date and time of the machine is not set correctly. (It is set to a future date and time.)
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Remedy
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Confirm that the date and time of the machine is set correctly.
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Cause
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The CA certificate which has issued the certificate could not be found.
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Remedy
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If you want to verify the certificate, register the CA certificate which issued it.
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Cause
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The certificate is listed on the CRL (Certificate Revocation Lists).
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Remedy
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Install a new certificate.
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Cause
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The CRL (Certificate Revocation List) is corrupt, or uses an unsupported signature algorithm.
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Remedy
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Register a valid CRL.
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Cause 1
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The start date of validity for the CRL (Certificate Revocation List) is set to a future date.
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Remedy
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Confirm the start date of validity for the CRL. If it is set to a future date, use the CRL after it becomes valid.
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Cause 2
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The date and time of this machine is not set correctly. (It is set to a future date and time.)
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Remedy
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Confirm that the date and time of the machine is set correctly.
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Cause
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The CRL (Certificate Revocation List) could not be verified on the machine.
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Remedy
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Register the CRL.
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Cause
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The certificate has expired.
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Remedy
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Confirm the expiration date for the certificate.
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Cause 1
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Access to the user certificate was denied when sending a PDF or XPS file with a user signature.
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Remedy
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See "Confirming a Key Pair and User Certificate" to confirm the user certificate settings.
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Cause 2
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Access to the device certificate was denied when sending a PDF or XPS file with a device signature.
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Remedy
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See "Setting/Confirming a Key Pair and Device Certificate" to confirm the device certificate settings.
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Cause
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The correct client authentication information (the key pair and certificate, user name and password, and the CA certificate) is not set.
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Remedy
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Confirm the set authentication method and authentication information (the key pair and certificate, user name and password, and CA certificate).
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Cause
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The password has expired.
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Remedy
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Set a new password.
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Cause
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The specified authentication method of the machine does not match the authentication method of the RADIUS server.
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Remedy
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Confirm whether the authentication method specified for the machine and the authentication method specified for the RADIUS server match, and specify the correct authentication method if necessary.
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Cause
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The server certificate sent from the RADIUS server has expired.
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Remedy
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Confirm the expiration date for the server certificate of the RADIUS server.
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Cause
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An error occurred when verifying the server certificate sent from the RADIUS server using the CA certificate.
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Remedy
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Confirm the contents of the server certificate of the RADIUS server, as well as the CA certification registered on the machine.
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Cause
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The machine failed to analyze the server certificate sent from the RADIUS server.
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Remedy
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Confirm the server certificate contents of the RADIUS server.
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Cause
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An error occurred when communicating with the authenticator.
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Remedy
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Confirm the authenticator (LAN switch) settings, as well as the RADIUS server settings.
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