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Dear xrootd team, a few years ago we opened an issue reporting that out services in the US have authentication failures for a little over an hour after the US switches to day-light savings time. We had an exchange and traced this down to the daemons calculating the timezone offset to UTC at start time and then using it throughout their execution. I thought the issue was fixed and all recent versions would include the fix. But aparently not: All CMS xrootd services in the US failed aur tests with authentication error this morning Sunday, March 12th at 2 am UTC for a bit over an hour. This smells like the day-light savings bug. Sites run xrootd versions between 5.3.1 and 5.5.3, i.e. rather recent. The error is XRootDStatus.code=204 "[FATAL] Auth failed: No protocols left to try". Could you please take a look if the old fix got lost? or a new issue was introduced? Thanks, - Stephan -- Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/1955 You are receiving this because you are subscribed to this thread. 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