Hi Jerome. This almost never happens, and makes me think about an unresponsive server. But may be caused by weird connection troubles. Do you get this immediately or in the middle of a communication? Since it's a very strance situation, I'd suggest you to put the client side debug level to 3 and send everything to me. Also the server side log (after having enabled it, of course) will be useful. The version included in root4 is rather old, but well known and tested. I am looking forward hoping that everybody will be switching to the newer one asap.... at least I will be no more dealing with N versions of the same code.... Fabrizio Jerome LAURET wrote: > Has anyone experienced this kind of issues and if so, what > to do to resolve it ?? > >> Error in <DoHandShake>: Error reading 4 bytes from the server >> [rcas6132.rcf.bnl.gov:1095]. >> Info in <GetAccessToSrv>: HandShake failed with server >> [rcas6132.rcf.bnl.gov:1095]. >> Error in <TXNetFile::CreateTXNf>: Access to server failed (0) >> Error in <Disconnect>: Destroying nonexistent logconnid 0. >> Error in <DoHandShake>: Error reading 4 bytes from the server >> [rcas6132.rcf.bnl.gov:1095]. >> Info in <GetAccessToSrv>: HandShake failed with server >> [rcas6132.rcf.bnl.gov:1095]. >> Error in <TXNetFile::CreateTXNf>: Access to server failed (0) >> Error in <Disconnect>: Destroying nonexistent logconnid 0. > > > Thank you, >