VMware backup proxy not visible with the Unable to set vCenter credentials error
Problem description
This error can occur while setting up any VMware backup proxy. When you try to connect to the FQDN/IP of the vCenter or an ESXi to validate credentials configured while setting up the proxy, the following error is displayed:
[Errno -2] Name or service not known
Cause
This error can occur while setting up any VMware backup proxy. When you try to connect to the FQDN/IP of the vCenter or an ESXi to validate credentials configured while setting up the proxy, the following error is displayed:
[Errno -2] Name or service not known
Traceback
Log location: /var/log/Phoenix/ vCenterCred.log
[2020-09-29 03:16:09,932] [INFO] ==== vSphereCredetial process started.====
[2020-09-29 03:16:09,932] [INFO] vCenterCredential: request received for set credentials
[2020-09-29 03:16:09,932] [INFO] vCenterCredential: parameters are is_vmc: False host: test.druva.com, username: administrator@vsphere.local
[2020-09-29 03:16:09,933] [INFO] vSphereCredManager: path for credential file is : /etc/Phoenix/.vsphere_credentials
[2020-09-29 03:16:09,933] [INFO] vSphereCredManager: Opening connection to vSphereAdapter
[2020-09-29 03:16:09,989] [ERROR] Unable to set vCenter credentials due to error (vim.fault.HostConnectFault) {
dynamicType = <unset>,
dynamicProperty = (vmodl.DynamicProperty) [],
msg = '[Errno -2] Name or service not known',
faultCause = <unset>,
faultMessage = (vmodl.LocalizableMessage) []
Resolution
- Validate the FQDN/IP setting of vCenter/Esxi while configuring the backup proxy.
- Ensure that the NFC port 902 is open.
Telnet <vcenter/esxi> 902
To verify whether the 902 port is open