{"id":853,"date":"2020-08-28T13:34:07","date_gmt":"2020-08-28T05:34:07","guid":{"rendered":"https:\/\/www.insecurewire.com\/?p=853"},"modified":"2020-08-28T13:34:07","modified_gmt":"2020-08-28T05:34:07","slug":"resetting-a-supermicro-bmc-admin-password","status":"publish","type":"post","link":"https:\/\/www.insecurewi.re\/index.php\/2020\/08\/28\/resetting-a-supermicro-bmc-admin-password\/","title":{"rendered":"Resetting a Supermicro BMC Admin Password Using ipmitool on ESXi"},"content":{"rendered":"<p>So this was pretty cool. I have a Supermicro branch server running ESXi that I was trying to upgrade to ESXi 7.<br \/>\nThe problem was that I could not remember the admin password to the baseboard management controller web interface (akin to HP iLO or Dell iDrac).<br \/>\nBecause I couldnt access the server console I couldnt do the ESXi upgrade remotely.<\/p>\n<p>Supermicro BMC uses the IPMI protocol, so I searched google for how to reset admin user password with ipmi cli tools.<br \/>\nThis led me to a <a href=\"https:\/\/vswitchzero.com\/ipmitool-vib\/\" rel=\"noopener noreferrer\" target=\"_blank\">compiled version of the ipmitool for ESXi<\/a>. This works because the ipmi tool is interfacing directly with the BMC via ESXi (on box).<\/p>\n<p>Here are the steps to install the ipmitool and reset access to the bmc admin:<br \/>\n1. First off download the zip file from <a href=\"https:\/\/vswitchzero.files.wordpress.com\/2019\/08\/ipmitool-esxi-vib-1.8.11-2.zip\" rel=\"noopener noreferrer\" target=\"_blank\">here<\/a> and scp the vib file across to \/tmp on your target esxi server.<br \/>\n2. Set vib to community support and install the ipmi cli tool:<br \/>\n<code>esxcli software acceptance set --level=CommunitySupported<br \/>\nesxcli software vib install -v \/tmp\/ipmitool-1.8.11-2.x86_64.vib --no-sig-check<br \/>\n<\/code><br \/>\n3. Check your sensors and bmc lan config:<br \/>\n<code>\/opt\/ipmitool\/ipmitool sensor<br \/>\n\/opt\/ipmitool\/ipmitool lan print<br \/>\n<\/code><br \/>\n4. Add a new admin user named &#8216;netadmin&#8217; and set password:<br \/>\n<code>\/opt\/ipmitool\/ipmitool user set name 3 netadmin<br \/>\n\/opt\/ipmitool\/ipmitool user set password 3<br \/>\nPassword for user 3:<br \/>\nPassword for user 3:<br \/>\n<\/code><br \/>\n5. Enable the netadmin user and set channel access:<br \/>\n<code>\/opt\/ipmitool\/ipmitool user enable 3<br \/>\n\/opt\/ipmitool\/ipmitool channel setaccess 1 3 link=on ipmi=on privilege=4<br \/>\n<\/code><br \/>\n6. Verify channel access:<br \/>\n<code>\/opt\/ipmitool\/ipmitool channel getaccess 1<br \/>\nUser ID              : 2<br \/>\nUser Name            : ADMIN<br \/>\nFixed Name           : Yes<br \/>\nAccess Available     : callback<br \/>\nLink Authentication  : enabled<br \/>\nIPMI Messaging       : enabled<br \/>\nPrivilege Level      : ADMINISTRATOR<br \/>\nUser ID              : 3<br \/>\nUser Name            : netadmin<br \/>\nFixed Name           : No<br \/>\nAccess Available     : call-in \/ callback<br \/>\nLink Authentication  : enabled<br \/>\nIPMI Messaging       : enabled<br \/>\nPrivilege Level      : ADMINISTRATOR<br \/>\n<\/code><br \/>\n6. Now you can login with the user &#8216;netadmin&#8217; to the servers BMC interface and edit the admin user, or run an ESXi upgrade from console!<\/p>\n<p>As a side note, if your admin user is disabled or locked out you can use the ipmitool on esxi above and re-enable the admin user &#8211; heres how:<br \/>\n<code>\/opt\/ipmitool\/ipmitool channel setaccess 1 2 link=on ipmi=on privilege=4<br \/>\nopt\/ipmitool\/ipmitool user enable 2<br \/>\n<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>So this was pretty cool. I have a Supermicro branch server running ESXi that I was trying to upgrade to ESXi 7. The problem was&#8230;<\/p>\n","protected":false},"author":2,"featured_media":855,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31,17],"tags":[60,97,119,172],"class_list":["post-853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","category-vmware","tag-bmc","tag-esxi","tag-ipmi","tag-supermicro"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Resetting a Supermicro BMC Admin Password Using ipmitool on ESXi - Insecure Wire<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.insecurewi.re\/index.php\/2020\/08\/28\/resetting-a-supermicro-bmc-admin-password\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Resetting a Supermicro BMC Admin Password Using ipmitool on ESXi - Insecure Wire\" \/>\n<meta property=\"og:description\" content=\"So this was pretty cool. 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