Unable to set network drive path as Backup storage path

Hi Team, I am new on this platform, however, when I tried to add network drive path with double slashes at the beginning \\VMs\urbackup as Backup storage path, it gives me error: (err_long_create_failed). The filename, directory name, or volume label syntax is incorrect. (code: 123)
UrBackup Server has trouble storing files to backup storage with the maximum file name length it was compiled with (255 UCS-2 code points/UTF-16 with max 2*255 bytes). There might be issues when backing up files/folders with long file name.


  • Use a different method to access the backup storage (e.g. iSCSI, NFS)
  • Use a different SMB server
  • Ignore the warning, acknowledging that in the rare case that a client has a file with a name with more than ~150 e.g. cyrillic characters there will be issues and you’d be on your own since you have been warned :wink:

Thanks for reply, Could you please let me know the link which can explain the different method to access the backup storage (e.g. iSCSI, NFS)?

i also want to add path to synology but receive error