[Samba] Mount error 13

I am trying to connect a SLES9 server to a share on a Windows 2003
domain.

# mount -t cifs //server/share /mnt/share -o credentials=.cifs_creds
mount error 13 = Permission denied
Refer to the mount.cifs(8) manual page (e.g.man mount.cifs)

#cat .cifs_creds
username=remoteuser
password=remotepass
domain=W2K3ADDOMAIN


On the domain controller, I see:
Successful Network Logon:
User Name: remoteuser
Domain: W2K3ADDOMAIN
Logon ID: (0x0,0x20544132)
Logon Type: 3
Logon Process: NtLmSsp
Authentication Package: NTLM
Workstation Name: \\10.x.x.x (IP of linux box)
Logon GUID: -
Caller User Name: -
Caller Domain: -
Caller Logon ID: -
Caller Process ID: -
Transited Services: -
Source Network Address: 10.x.x.x (IP of linux box)
Source Port: 0

Then immediately after I see:
User Logoff:
User Name: remoteuser
Domain: W2K3ADDOMAIN
Logon ID: (0x0,0x20544132)
Logon Type: 3
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