Hi Andy, I can fix this one, leave it for me. It looks as if the code below is not going to override an environment variable if it's already set: https://github.com/xrootd/xrootd/blob/master/src/XrdOuc/XrdOucStream.cc#L1458-L1460 @IceyMu Can you please confirm that `AWS_ACCESS_KEY_ID` is not set when you launch the server? -- Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/1899#issuecomment-1428172343 You are receiving this because you commented. Message ID: <[log in to unmask]> ######################################################################## 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