Hi Lisa, There should not be a problem with mixing and matching any client with any server since release 2.0. If you can tell me specifically what is wrong then I could check if it’s a known problem and see if it was fixed in 4.1.2. Andy -----Original Message----- From: Lisa Giacchetti Sent: Thursday, April 30, 2015 6:36 PM To: [log in to unmask] Subject: problems with 4.1.1 xrdcp client and 3.3.6 server Hi all, can any one tell me if there are issues with using a 4.1.1 osg client and a 3.3.6 server? we are seeing xrdcp failuers when we upgraded our clients to have have xrootd-client-libs-4.1.1-1.osg32.el6.x86_64 and servers still at xrootd-3.3.6-4.CERN.slc6.x86_6 lisa ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1 ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1