Hello i'm matteo i've this problem : with win200 and xp i 've lock problem accessing *.idx files from cobol windows program. Whe win98 accessing this file all is ok, when win200 accessing or xp the windows machine the program wait too mutch for access to file idx. my samba version is 3.0.10 the windows 2000 machine log said this: push_blocking_lock_request: lock request length=75 blocked with expiry time -1 (+-1) for fnum = 6227, name = CPVPAGHE/ARCHIVI/TABPRS.IDX For me is a seriuos problem i need help i have many samba server that give service for this cobol program. I try to set various lock options but it semms don't have success can someone give me the options to use thank's. -- ****************************************** Ing. Matteo Cazzador Euronia Srl Via Palazzina, 224 Verona - Italy Email: matteo@euronia.it Web: http://www.euronia.it Personal Web Page: http://www.progettostema.it tel: 0458202578 fax: 045507490 ******************************************