SRM 8.8 introduced a new code to check if 'https://vcsa.vmware.com' is reachable, if it is not it displays the error.
Telemetry is the process of gathering the performance data of any product and communicating it to a remote location (Telemetry receiving end-point 'https://vcsa.vmware.com') for monitoring and analysis.
Run a curl command from SRM & VR appliances to check if it can access 'https://vcsa.vmware.com' through port # 443
For example : curl -v telnet://vcsa.vmware.com:443
Port # 443 must be opened between SRM & VR appliances to 'https://vcsa.vmware.com' for them to send telemetry data.
If the system uses a firewall or a proxy to connect to the Internet, it is needed to specify a firewall or a proxy rule allowing outbound traffic through for https://vcsa.vmware.com:443/ph/api/*.
Network Ports for Site Recovery Manager
vSphere Replication appliance | https://vcsa.vmware.com | 443 | TCP | Customer Experience Improvement Program (CEIP) for vSphere Replication. |
Services, Ports, and External Interfaces That the vSphere Replication Virtual Appliance Uses
443 | TCP | Site Recovery Manager Appliance | https://vcsa.vmware.com | Customer Experience Improvement Program (CEIP) for Site Recovery Manager |
CEIP participation requires connection from the vSphere Replication & Site Recovery Manager virtual appliance to https://vcsa.vmware.com:443. Please refer the documents below for more information.
Configuring the Customer Experience Improvement Program for SRM & VR
CIEP can be joined or left from the vCenter. SRM & VR just follow the recommendation in vCenter, they don't have a separate option or advanced settings from where CEIP can be disabled.