https://community.cisco.com/t5/devnet-sandbox/after-updating-the-patch-on-master-node-it-never-came-back-upon/m-p/4191836#M5527 <P>Connect the console cable and post the boot output. maybe gone to ROMMON Mode or mismatch version.,</P> <P>&nbsp;</P> <P>have you updated all devices in the stack?</P> <P>&nbsp;</P> Wed, 02 Dec 2020 08:14:34 GMT balaji.bandi 2020-12-02T08:14:34Z https://community.cisco.com/t5/devnet-sandbox/after-updating-the-patch-on-master-node-it-never-came-back-upon/m-p/4191826#M5526 <P>After Updating the patch on Master Node, it never came back upon reboot. We deleted the node in assumption that it will recreate the Master again but to no avail. Please help!</P> Wed, 02 Dec 2020 08:00:05 GMT https://community.cisco.com/t5/devnet-sandbox/after-updating-the-patch-on-master-node-it-never-came-back-upon/m-p/4191826#M5526 PratikMehta8046 2020-12-02T08:00:05Z https://community.cisco.com/t5/devnet-sandbox/after-updating-the-patch-on-master-node-it-never-came-back-upon/m-p/4191836#M5527 <P>Connect the console cable and post the boot output. maybe gone to ROMMON Mode or mismatch version.,</P> <P>&nbsp;</P> <P>have you updated all devices in the stack?</P> <P>&nbsp;</P> Wed, 02 Dec 2020 08:14:34 GMT https://community.cisco.com/t5/devnet-sandbox/after-updating-the-patch-on-master-node-it-never-came-back-upon/m-p/4191836#M5527 balaji.bandi 2020-12-02T08:14:34Z