Unable to connect to the Converter helper server on the destination virtual machine P2V LINUX

nicholas556 — Sun, 24 Oct 2021 22:59:52 GMT

Hello! I am using Vcenter Converter Standalone (6.2.0-build8466193) to convert a Oracle Linux server to a VM. I've already checked the ports that needs to be avaiable (TCP/UDP:22;443;902;903;137;138), logging with root via ssh works fine. I manually provided a static IP to the Vm helper, since i don't have a DHCP (IP is in the same network of the default gateway of linux server). When it starts, the process fail at 1%, with 6 min. with "Error: Unable to obtain the IP address of the destination virtual machine running the Converter helper server". I've already checked the IP that was set at VM Helper, and i can't figure out what is going on. I've checked the logs and got this:

2021-10-24T19:30:45.925-03:00 info vmware-converter-worker[13288] [Originator@6876 sub=task-2] Reusing existing VIM connection to <host>
2021-10-24T19:31:28.503-03:00 info vmware-converter-worker[13288] [Originator@6876 sub=task-2] Reusing existing VIM connection to <host>
2021-10-24T19:31:30.127-03:00 info vmware-converter-worker[13288] [Originator@6876 sub=task-2] successfully sent client thumbprint to helper: FA:03:F7:D0:E5:43:5E:DB:3F:7C:07:2D:BE:63:EF:3A:86:38:1A:A0
2021-10-24T19:31:31.140-03:00 info vmware-converter-worker[13288] [Originator@6876 sub=task-2] could not get the server certificate thumbprint. Will retry 299 times...
2021-10-24T19:31:32.151-03:00 info vmware-converter-worker[13288] [Originator@6876 sub=task-2] could not get the server certificate thumbprint. Will retry 298 times...
2021-10-24T19:31:33.165-03:00 info vmware-converter-worker[13288] [Originator@6876 sub=task-2] could not get the server certificate thumbprint. Will retry 297 times...
2021-10-24T19:31:34.181-03:00 info vmware-converter-worker[13288] [Originator@6876 sub=task-2] could not get the server certificate thumbprint. Will retry 296 times...
2021-10-24T19:31:35.190-03:00 info vmware-converter-worker[13288] [Originator@6876 sub=task-2] could not get the server certificate thumbprint. Will retry 295 times...
2021-10-24T19:31:36.216-03:00 info vmware-converter-worker[13288] [Originator@6876 sub=task-2] could not get the server certificate thumbprint. Will retry 294 times...
2021-10-24T19:31:37.225-03:00 info vmware-converter-worker[13288] [Originator@6876 sub=task-2] could not get the server certificate thumbprint. Will retry 293 times...
2021-10-24T19:31:38.235-03:00 info vmware-converter-worker[13288] [Originator@6876 sub=task-2] could not get the server certificate thumbprint. Will retry 292 times...
2021-10-24T19:31:38.241-03:00 info vmware-converter-worker[13288] [Originator@6876 sub=task-2] got server thumbprint from helper: 00:F1:54:82:0F:59:99:56:23:5B:45:8D:F3:F7:1E:3C:BD:DA:93:35
2021-10-24T19:31:38.241-03:00 info vmware-converter-worker[13288] [Originator@6876 sub=task-2] Reusing existing VIM connection to <host>
2021-10-24T19:36:42.622-03:00 error vmware-converter-worker[13288] [Originator@6876 sub=task-2] Unable to get IP address from GuestInfo before we exhausted our retry attempts
2021-10-24T19:36:42.622-03:00 error vmware-converter-worker[13288] [Originator@6876 sub=task-2] TaskImpl has failed with MethodFault::Exception: converter.fault.HelperVmFailedToObtainIpFault
2021-10-24T19:36:42.622-03:00 info vmware-converter-worker[13288] [Originator@6876 sub=task-2] Volume-based cloning 10.1.1.221 --> <destinyhost>updates, state: 4, percentage: 0, xfer rate (Bps): <unknown>
2021-10-24T19:36:42.626-03:00 error vmware-converter-worker[13288] [Originator@6876 sub=task-2] Failed to perform PostDoRun task in Linux P2V while retrieving the log bundle: helper connection or task hasn't been created
2021-10-24T19:36:42.626-03:00 info vmware-converter-worker[13288] [Originator@6876 sub=task-2] powering off vm after linux p2v ..

Re: Unable to connect to the Converter helper server on the destination virtual machine P2V LINUX

fabio1975 — Mon, 25 Oct 2021 08:11:48 GMT

Ciao

have you tried to access the helper VM?

in the past, I needed to access the VM Helper to check for a communication problem (in my case the VM did not have the gateway configured correctly).
To access the VM Helper I used this KB (it is for a previous version of Converter):

Enabling Logging in to Helper Virtual Machine During Conversion of Powered-On Linux Sources with Converter Standalone 4.3.x and 5.x (1036746) (vmware.com)

if it works you can access the VM-Helper in the console and check if it has network problems.

Re: Unable to connect to the Converter helper server on the destination virtual machine P2V LINUX

nicholas556 — Tue, 26 Oct 2021 13:52:16 GMT

That helped a lot. I figured out that was a problem in the interface eth0. It's solved but now got an error at 3%

FAILED: A general system error occurred:

Network error. Host <IP> key can't be retrieved. (return code 2)

Re: Unable to connect to the Converter helper server on the destination virtual machine P2V LINUX

fabio1975 — Tue, 26 Oct 2021 14:26:38 GMT

CIao

Check, /etc/hosts.allow and /etc/hosts.deny on the machine to be virtualize. It is possible that they are configured to deny access to the subnet that your ESXi server is on.

Fabio

Re: Unable to connect to the Converter helper server on the destination virtual machine P2V LINUX

nicholas556 — Tue, 26 Oct 2021 16:52:49 GMT

I've checked that. It's all blank but i've done:

sudo echo "ALL:ALL" >> /etc/hosts.allow

service network restart

Still no luck, same error. Also checked again the firewall and looks ok

Edit: I solved this problem by setting in the converter an IP address of the same subnet of the source vm and vCenter. Worked fine. Thanks a lot!

topic Unable to connect to the Converter helper server on the destination virtual machine P2V LINUX in Converter Standalone Discussions

Unable to connect to the Converter helper server on the destination virtual machine P2V LINUX

Re: Unable to connect to the Converter helper server on the destination virtual machine P2V LINUX

Re: Unable to connect to the Converter helper server on the destination virtual machine P2V LINUX

Re: Unable to connect to the Converter helper server on the destination virtual machine P2V LINUX

Re: Unable to connect to the Converter helper server on the destination virtual machine P2V LINUX