Finally occurred to me to run whoami under strace - I saw this which was of interest:
======== 2706 10005 [main] whoami 13636 pwdgrp::fetch_account_from_windows: Unknown domain AzureAD --- Process 13636 loaded C:\Windows\System32\netapi32.dll at 00007FFAD6B50000 --- Process 13636 loaded C:\Windows\System32\samcli.dll at 00007FFACDD40000 --- Process 13636 loaded C:\Windows\System32\samlib.dll at 00007FFAD3D50000 2790 12795 [main] whoami 13636 pwdgrp::fetch_account_from_windows: line: <Medium Mandatory Level:S-1-16-8192:401408:> --- Process 13636 loaded C:\Windows\System32\netutils.dll at 00007FFAD5280000 1086 13881 [main] whoami 13636 pwdgrp::fetch_account_from_windows: line: <Users:S-1-5-32-545:545:> 49 13930 [main] whoami 13636 pwdgrp::fetch_account_from_windows: line: <INTERACTIVE:S-1-5-4:4:> 27 13957 [main] whoami 13636 pwdgrp::fetch_account_from_windows: line: <CONSOLE LOGON:S-1-2-1:66049:> 25 13982 [main] whoami 13636 pwdgrp::fetch_account_from_windows: line: <Authenticated Users:S-1-5-11:11:> 23 14005 [main] whoami 13636 pwdgrp::fetch_account_from_windows: line: <This Organization:S-1-5-15:15:> 22 14027 [main] whoami 13636 pwdgrp::fetch_account_from_windows: line: <LOCAL:S-1-2-0:66048:> 25 14052 [main] whoami 13636 pwdgrp::fetch_account_from_windows: line: <Unknown+Group:S-1-12-1-2741946010-1181797680-2322883994-3292483823:4294967295:> 24 14076 [main] whoami 13636 pwdgrp::fetch_account_from_windows: line: <Cloud Account Authentication:S-1-5-64-36:262180:> 26 14102 [main] whoami 13636 internal_getlogin: user not found in passwd DB 22 14124 [main] whoami 13636 cygheap_user::ontherange: what 2, pw 0x0 23 14147 [main] whoami 13636 cygheap_user::ontherange: HOME is already in the environment /home/RussellMora ======== Went back to the Windows version of whoami and got this: ======== C:\WINDOWS\system32>whoami /fqdn ERROR: Unable to get Fully Qualified Distinguished Name (FQDN) as the current logged-on user is not a domain user. C:\WINDOWS\system32> ======== Yeah... I'm not too surprised it doesn't work.... Cheers, Russell. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple