Hi Dr.Peer-Joachim Koch, it seems that your file (netsamlogon_cache.tdb) ir corrupt. i had the same problem with another file and i had to delete this file. my source of my problem was the samba's memory. so i replaced the memory and no more file corruption. Marcos "Dr.Peer-Joachim Koch" <pkoch (AT) bgc-jena (DOT) mpg.de> escreveu: Hi, our file server hsows the following line regulary in the log. What does it mean ? How can I avoid it ? Everything is running well, so there is no harm in the moment. We are running Novell SLES 9 (AMD64) with samba-3.0.20b-3.4 tdb(/): rec_free_read bad magic 0x42424242 at offset=11832