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January 7th, 2025 15:27
Can't SSH into host
One of our four hosts refuses SSH connection attempts and immediately closes them. This began within the last week, with no configuration changes made. I can still get into the host via both its web UI and iDRAC console. We're on 8.0.311.
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lolcat2
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January 27th, 2025 20:45
For anyone else with this problem, it is a known issue that occurs after an update to v8, though may take weeks or months to manifest. You need to open a case with Dell to resolve, as the KB and remediation are not accessible. Refer to KB000245510. Note that the remediation is performed on the VxRail Manager, not the host(s).
Origin3k
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January 7th, 2025 16:37
Check under Host->Configuration->Services if "ssh" is startet/enabled. Best practice today is to disable the SSH on ESXi.
lolcat2
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January 7th, 2025 17:41
It's started. It also automatically terminates after 30 minutes.
Origin3k
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January 7th, 2025 21:30
Try to restart the service, try to restart the Host.
Question: Can you ensure that lockdown mode isnt enabled/configured for that host or that the user account isnt locked? Try to connect to the Host client and log in with this user (assume "root") to verify this.
lolcat2
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January 7th, 2025 21:40
Lockdown mode is disabled. I should have made clear in my original post, but I can log in as root from both the host's web UI and its iDRAC console.
I'll try rebooting it.
Origin3k
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January 7th, 2025 21:44
Yes... but you will be able to login to ESXi Shell (through iDRAC) but not over a a network like SSH, Hostlclient when have a looked account. Thats why i asked.
For example.. if you have a monitoring tool which abuse the "root" account it will going to locked this account for infinite :)