Symptoms:
- Upgrading vCenter Server Appliance(VCSA) from 6.5 to 6.7 fails with the error:
Unable to contact the source vCenter
- In installer-xxxxxxxx-xxxxxxxxx.log you may see entries similar to:
2019-02-28T18:58:14.052Z - info: VM Identifier for Source VC: 1048
2019-02-28T18:58:14.176Z - debug: initiateFileTransferFromGuest error: ServerFaultCode: Failed to authenticate with the guest operating system using the supplied credentials.
2019-02-28T18:58:14.176Z - debug: Failed to get fileTransferInfo:ServerFaultCode: Failed to authenticate with the guest operating system using the supplied credentials.
2019-02-28T18:58:14.176Z - debug: Failed to get url of file in guest vm:ServerFaultCode: Failed to authenticate with the guest operating system using the supplied credentials.
2019-02-28T18:58:14.176Z - error: Error in getting fileData for nodeType. Error: ServerFaultCode: Failed to authenticate with the guest operating system using the supplied credentials.
2019-02-28T18:58:14.177Z - error: Failed to read the nodetype, Error: Failed to authenticate with the guest operating system using the supplied credentials.
Note: The preceding log excerpts are only examples. Date, time, and environmental variables may vary depending on your environment.