This error can occur after cloning an existing VIP Enterprise Gateway.
A VIP certificate is required to establish trust with the VIP Cloud. During the installation and initial connection to the VIP cloud, unique attributes are assigned to the Gateway using the established key pair. When a VIP Enterprise Gateway is 'cloned' and LDAP synchronization attempted from the clone, the cloned data creates a collision condition in the VIP Cloud. This results in the failure "<<WARNING>> User Synchronization failed. Error: null,op=Synchronization".
Shut down the cloned server and discontinue use, then build a fresh VIP EG installation. From the source EG server, use the Export feature to transfer the configuration settings from the VIP Enterprise gateway to the new server. When importing the ZIP file into the new VIP EG server, the configuration on both servers will be identical. All SSL certificates, including the VIP Enterprise Gateway certificate, will not be exported. To establish a new key pair, each must be imported into the new VIP EG.
The VIP Enterprise Gateway exports the following configuration settings:
Note: The VIP Enterprise Gateway Console Settings will not be exported. You must configure the Console Settings in the VIP Enterprise Gateway host to where you are importing the configuration settings.
User Store Settings
Self Service Portal IdP
VIP Manager IdP (Note: If the VIP Enterprise Gateway server is configured with HTTPS, the SSL certificates for the Console, VIP Manager, and SSP IdP will not be exported.)
LDAP Sync (Note: The LDAP Sync option does not export the local database file.)
Automatic Business Continuity
Live Update Settings
Validation Servers (Note: The Validation Servers include Tunnel forwarders, Tunnel Receivers, and all the modes of validation servers.)
Additional details and instructions can be found by logging into the VIP Enterprise Gateway and clicking on the HELP tab.
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