I am having intermittent errors from XP clients logging in and accessing files on the server. "Insufficient System resources exist to complete this request" I suspect this to be a purely XP issue, but I would like to rule out all possiblities. I have done an extensive google and microsoft searches to no avail. Server: Custom Kernel 2.4.22 xfs filesystem on Raid5 (setup in EVMS) Samba 3.0.0 (redhat rpm install - running out of time to build my own) Dual 3Com 3C996c NICS bridged Clients: WinXP SP1 Dual 3Ghz Xeon 3GB memory onboard Intel Pro1000 gig NIC All registry and Group Policy settings according to Samba-HOWTO Chapter.... "requiresignorseal"=dword:00000000 "signsecurechannel"=dword:00000000 Do not check for user ownership of Roaming Profile Folders - enabled CompatibleRUPSecurity = 1 Similarly configured Win2K machines have been purring along just fine testparm output Processing section "[homes]" Processing section "[profiles]" Processing section "[netlogon]" Processing section "[projects]" Processing section "[library]" Processing section "[director]" Processing section "[temp]" Load smb config files from /etc/samba/smb.conf Loaded services file OK. Server role: ROLE_DOMAIN_PDC Press enter to see a dump of your service definitions # Global parameters [global] workgroup = ICVFX server string = server update encrypted = Yes obey pam restrictions = Yes pam password change = Yes passwd program = /usr/bin/passwd %u passwd chat = *New*password* %n\n *Retype*new*password* %n\n *passwd:*all*authentication*tokens*updated*successfully* unix password sync = Yes log level = 1 log file = /var/log/samba/%m.log max log size = 0 debug uid = Yes socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192 show add printer wizard = No add machine script = /usr/sbin/useradd -d /dev/null -g machines -s /bin/false -M %u logon script = netlogon.bat logon path = \\octopus\%U\profile logon drive = J: logon home = \\octopus\%U domain logons = Yes os level = 255 preferred master = Yes domain master = Yes wins support = Yes ldap ssl = no hosts allow = 127.0.0.1, 192.168.0.0/255.255.255.0 csc policy = disable [homes] comment = Home Directories read only = No create mask = 0600 directory mask = 0700 browseable = No [profiles] path = /home/profiles read only = No create mask = 0600 directory mask = 0700 nt acl support = No profile acls = Yes veto files = /*Cache*/*.tmp/*Templates*/ browseable = No [netlogon] comment = Network Logon Service path = /home/netlogon browseable = No [projects] comment = ICVFX Projects path = /mnt/projects read only = No create mask = 0660 directory mask = 0770 [library] comment = ICVFX Library path = /mnt/library read only = No create mask = 0660 directory mask = 0770 [temp] comment = ICVFX Temp path = /mnt/temp read only = No create mask = 0660 directory mask = 0770