This Kb talks about the error seen in SDWAN CSO where user tries to delete the WAN link but the same fails.

Static tunnels are for Spoke sites to Ehub sites

User can select 2 Phub and 2 Ehub tunnel endpoint

User wish to create new WAN link and delete old WAN link on Ehub

The CSO subsystem throws following error:

Aug 25, 2024, 3:02:24 PMdelete-wan-links: delete wan-links [u'WAN_2']

Aug 25, 2024, 3:02:33 PMdelete-wan-links: input validation failed: Cannot delete wan-links [u'WAN_2'] as sites [u'JNPR1-74020'] are statically connected to the enterprise-hub over these wan-links

Aug 25, 2024, 3:02:33 PMERORR: Edit failed

Since Spoke to EHUB connection are Static configured.

The switch from Old WAN to New WAN is not automatic.

Spoke need to remove the EHUB connection, commit the config and then readd.

Follow steps detailed in following KB article to complete the task:

https://juniper.lightning.force.com/lightning/r/Knowledge__kav/ka0Dp000000ivdzIAA/view