ESXi Host Certificate Status shows Expiration imminent
Resolve the ESXi Host Certificate Status alarm when a VMCA-signed host certificate is approaching expiration in vCenter Server.
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certificatevCenter Certificate Status alarm caused by expired BACKUP_STORE certificates
Resolve a persistent vCenter Certificate Status alarm when active certificates are valid but expired historical certificates remain in the VECS BACKUP_STORE.
vCenter Server certificate stores and common certificate alarms
Reference guide to the main vCenter Server certificate stores, what each certificate is used for, and which alarm or troubleshooting path normally applies.
Configure FortiGate IKEv2 remote-access VPN with LDAP and EAP-TTLS
Configure a FortiGate IKEv2 dial-up VPN using LDAP-backed AD groups, FortiClient EAP-TTLS and least-privilege firewall access.
FortiClient IKEv2 VPN fails after partial XML import: missing PSK
Diagnose an IKEv2 connection failure after importing a sanitized FortiClient XML profile that omits the pre-shared key.
Meraki mesh repeater fails 802.1X because the gateway AP is missing from Windows NPS RADIUS Clients
Troubleshoot a Cisco Meraki MR mesh repeater where normal SSIDs work but an Enterprise/802.1X SSID fails with RADIUS timeouts because the gateway AP is not registered as a RADIUS Client in Windows Network Policy Server.
vCenter virtual disks show 0 GB or blank properties due to SSL trust mismatch
Troubleshoot vCenter Server when VM disk capacity or disk properties appear as 0 GB, blank, or unavailable while the same VMDKs display correctly in the ESXi Host Client.