In the process of moving a cluster of Red Hat Enterprise servers from one AD to the new one. Have joined to the new domain and can connect to linux cluster using authentication from new AD server. NFS shares are available, browseable and writable with Windows Explorer, but cannot write new data into old directories, seems permissions are using local linux instead of network account credentials from AD.

Any ideas or further information needed, please ask, very new to Samba + AD 2003 + Cluster setup.