Edge activation failing with unknown error.
If this is related to hosted Orchestrator, engage SDWAN Support for further isolating the issue.
If this is related to on-prem infrastructure where Orchestrator is managed by customer/partner, Check if there any recent upgrade happened on the Orchestrator.
This issue is mainly seen when Edge fails to get the certificate from Orchestrator
Check upload logs if you are seeing the below error.
xxxxxxxxxxxxx:/var/log/upload$ tail -f /var/log/backend/velocloud.log | grep -i 'CA private key'
2024-07-25T01:24:42.601Z - error: [generateCertificate.172184442.75403] [18928] failed to generate certificate - failed to load the CA private key
2024-07-25T01:24:44.784Z - error: [generateCertificate.172184442.84582] [18909] failed to generate certificate - failed to load the CA private key
2024-07-25T01:24:44.889Z - error: [generateCertificate.172184442.83787] [18829] failed to generate certificate - failed to load the CA private key
2024-07-25T01:24:45.107Z - error: [generateCertificate.172184442.73866] [18942] failed to generate certificate - failed to load the CA private key
2024-07-25T01:24:45.314Z - error: [generateCertificate.172184442.83356] [18826] failed to generate certificate - failed to load the CA private key
2024-07-25T01:24:45.347Z - error: [generateCertificate.172184441.88819] [18713] failed to generate certificate - failed to load the CA private key
2024-07-25T01:24:45.375Z - error: [generateCertificate.172184442.83357] [18826] failed to generate certificate - failed to load the CA private key
2024-07-25T01:24:49.512Z - error: [generateCertificate.172184441.84481] [18727] failed to generate certificate - failed to load the CA private key
All SD-WAN version
CA passphrase was not set properly post upgrade.
If "failed to generate certificate - failed to load the CA private key
" error is seen on the Orchestrator backend logs then involve the SDWAN Support team to resolve the issue