Dear George, This is a problem related to permissions. Can you check the permissions on /etc/grid-security/xrd ? They should be readable by the user under which xrootd is run . Check also /etc/grid-security. G Ganis -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/756#issuecomment-400300813 ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1