Troubleshooting vCenter Server 5.5: Dealing with Expired Certificates If you're still running vCenter Server 5.5
If the certificate manager GUI fails (common on corrupted 5.5 installs), use the : vcenter server 5.5 certificate expired
| Action | Status | |--------|--------| | Stop all vCenter services | ☐ | | Backup SSL folder and SSO database | ☐ | | Regenerate Machine SSL cert ( vcCertificateManager -r ) | ☐ | | Regenerate STS cert ( regenerateCert.bat ) | ☐ | | Update Solution Users credentials | ☐ | | Restart services in correct order | ☐ | | Test login via vSphere Web Client (HTTPS) | ☐ | | Set future expiry reminder | ☐ | Troubleshooting vCenter Server 5
vCenter Server login fails or hangs due to expired certificates vcenter server 5.5 certificate expired
Login attempts hang or fail even with correct credentials, often citing clock synchronization or identity provider errors.