DSM 6.2.3 will not work with these drivers, if you install or update you will fall back to "native" drivers that come with DSM, like no realtek nic on 3615/17 but on 918+ or no mpt2/mpt3sas on 918+ or no broadcom onboard nic on HP microserver or Dell server
read this if you want to know about "native" drivers
https://xpenology.com/forum/topic/13922-guide-to-native-drivers-dsm-617-and-621-on-ds3615/
synology reverted the changes made in 6.2.2 so the old drivers made for 6.2.(0) are
Updated from 6.1.7 to 6.2.2 on my Baremetal Gen 8 server with onboard network card.
Using a ds3515xs, I used:
1. Create new USB stick with new PID and new VID, old MAC and old SN
2. Mount parition 2
3. Added extra.lzma from http://s000.tinyupload.com/?file_id=87576629927396429210 (for ds3515xs)
4. Added zImage and rd.gz, from the PAT file (7zip to unzip): https://archive.synology.com/download/DSM/release/6.2.2/24922/DSM_DS3615xs_24922.pat
5. Shutdown s