Acer Altos easyStore M2 User Manual page 294

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The storage system is not distributing IP addresses.
Make sure that Enable DHCP server is selected on the Network page (as
described in"Changing the network settings" on page 167), and that
the starting and ending IP addresses are valid. The first three digit
groups of both the starting IP address and ending IP address must be
the same.
If the network configuration is correct and it still doesn't work, the
DHCP service might not be working properly. Restart the storage
system.
Users cannot access the storage system using FTP.
Make sure that Enable FTP server is selected on the Network page (as
described in "Changing the network settings" on page 167) and that
the users are using the correct address for accessing the storage system
(as described in "Disconnecting from shared folders" on page 193).
If the network configuration is correct and the users are using the
proper address and it still doesn't work, the FTP service might not be
working properly. Restart the storage system.
A package size error displays when I upgrade the firmware.
• If you downloaded the firmware from a website or copied it from
a CD, compare the original size of the package file with the size of
the package file that you are using. If they differ, download or
copy the file again to ensure that it is not corrupted.
• Restart the storage system and try again. This ensures that any
temporary files on the storage system are deleted before the
firmware is upgraded.
9 Troubleshooting