Epson DS-790WN

If the DHCP is out of date, rebooting or the IPv6 address is out of date or has not been obtained, then the IP
address registered for the scanner's Web
Cong
(Network Security tab > IPsec/IP Filtering > Basic > Group
Policy > Local Address (Scanner)) may not be found.
Use a static IP address.
The IP address of the computer has been changed or cannot be used.
When the IP address registered to the remote address on Group Policy has been changed or cannot be used, IPsec
communication cannot be performed.
Disable IPsec using the scanner's control panel.
If the DHCP is out of date, rebooting or the IPv6 address is out of date or has not been obtained, then the IP
address registered for the scanner's Web Cong (Network Security tab > IPsec/IP Filtering > Basic > Group
Policy > Remote Address(Host)) may not be found.
Use a static IP address.
Related Information
& “Running Web Cong on a Web Browser” on page 34
& “Encrypted Communication Using IPsec/IP Filtering” on page 101
Cannot Connect After Conguring IPsec/IP Filtering
The settings of IPsec/IP Filtering are incorrect.
Disable IPsec/IP ltering from the scanner’s control panel. Connect the scanner and computer and make the
IPsec/IP Filtering settings again.
Related Information
& “Encrypted Communication Using IPsec/IP Filtering” on page 101
Cannot Access the Scanner after Conguring IEEE802.1X
The settings of IEEE802.1X are incorrect.
Disable IEEE802.1X and Wi-Fi from the scanner’s control panel. Connect the scanner and a computer, and then
congure IEEE802.1X again.
Related Information
& “Conguring an IEEE802.1X Network” on page 111
Advanced Security Settings > Solving Problems for Advanced Security > Problems Using Network Security …
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