Fix DUID Errors

this guide offers tips for fixing invalied mac addresses or duid errors client identifier string brightsign players implement a client identifier string as described in rfc 4361 https //datatracker ietf org/doc/html/rfc4361 this is a unique player identifier string that can identify the player across many interfaces and protocols (it is not necessarily the mac address) the duid / client identifier string is "brightsign " followed by the player serial number your dhcp server software may treat this as binary rather than a string, in which case you'll see the byte values 42 72 69 67 etc you can use the spreadsheet below to convert player serial numbers to duid in various formats https //archbee doc uploads s3 amazonaws com/tyaqenq txckpox4eakhe u9rzowlgr bk 3jkyeq r 20250411 223033 xlsx a router or dhcp server should be able to handle a player that uses a valid client identifier as defined in rfc 4361 https //datatracker ietf org/doc/html/rfc4361 (for zone policy, mac address and client identifier may be separate fields as they are not guaranteed to be the same value) if there is no specific duid / client identifier field for dhcp address reservations, enter the duid string instead of the mac address a brightauthor\ connected / bsn cloud setup that includes network configuration will reset the setting and the player will send the duid again reapplying a setup can cause a player to fall off the network if the dhcp server does not provide a lease when it sees the player with a duid/client identifier instead of just a mac address if your legacy dhcp server requires that the player not send duid / client identifier, the attached scripts disable sending duid on the player scripts to disable duid on the ethernet (wired) port, download the duid autorun brs file https //archbee doc uploads s3 amazonaws com/tyaqenq txckpox4eakhe gnis29meevj26a p7hxlu 20250411 223240 brs if the player is connecting to a wireless network with the wireless module, download the duid wireless autorun brs file https //archbee doc uploads s3 amazonaws com/tyaqenq txckpox4eakhe qhnafsu1zutrji3zxdt 20250411 223311 brs to disable duid on all applicable network interfaces (wired, wireless, modem), download the duid all autorun brs file https //archbee doc uploads s3 amazonaws com/tyaqenq txckpox4eakhe dlk1rnnqvp2fazjoqoxsu 20250411 223334 brs to apply the downloaded script to a player rename whichever file you downloaded to autorun brs copy it to the root folder (e g "sd /") of a microsd card that is formatted using fat32 (series 3 and newer players with brightsignos 6 2 94 or newer can also use exfat) power down the player insert the microsd card into the player power on the player wait until the display instructs you to remove the microsd card after the player has rebooted, it will no longer broadcast its duid