[Samba] Chronic Problems with "File system does not support long filenames"

Robinson, Eric eric.robinson at psmnv.com
Sat Jan 17 14:39:12 GMT 2009

When trying to create a file or folder on a samba share (3.0.28-0.el4.9)
from a Windows 2003 R2 server, I occasionally receive an error message
stating that the target filesystem does not support long filenames. This

happens even if object name follows 8.3 naming conventions. It 
does not *always* happen. Also, I have another samba 3.0.28-0.el4.9
where this does not happen at all.

What the heck causes this?

Here's the smb.conf from the "bad" server. It's pretty much the same as
the "good" server.

   unix charset = LOCALE
   workgroup = MYWG
   netbios name = APP2
   realm = MYWG.MD
   server string = Linux Server
   security = ADS
   allow trusted domains = No
   username map = /etc/samba/smbusers
   log level = 2
   syslog = 0
   log file = /var/log/samba/%m.log
   max log size = 50
   printcap name = /etc/printcap
   ldap ssl = no
   idmap backend = idmap_rid:MYWG=500-100000000
   idmap uid = 500-100000000
   idmap gid = 500-100000000
   template shell = /bin/false
   template homedir = /alley/%U
   winbind use default domain = no
   winbind nested groups = Yes
   socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
   dns proxy = no
   hosts allow = 192.168.5. 192.168.10. 192.168.15. 172.16. 127. 10.
   load printers = yes
   cups options = raw
   hide dot files = yes
   short preserve case = no
   client schannel = no

Eric Robinson

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