The CTM message indicates that the Source machine cannot connect with the VA to check for available tokens. The message generated is: Failed to register CTM with source machine, error: Source machine offline, code 255
There are two reasons for this: Network connectivity: or/and outdated credentials:
First please validate credentials by opening the Estate Tab
Search for and select the source machine
Select Update credentials
Select Full Validation for instance confirmation
Check the details of the system and enter the latest username/password
If the message ‘Error, specified credentials for are not valid’ show, please confirm credentials used with the system administrator
On successful validation the Update Credentials window closes automatically. Run the replication again.
The second reason could be because network connectivity is non existent between the source and to the VA, either because ports are closed/blocked and/or IP is blocked or down
On the source machine please check connectivity by logging into the system and …
To use Port Query (downloadable from Microsoft) / tnc /telnet etc and run the command on the IP address of the VA and port 80 e.g.
PortQry -n <va-address> -p protocol -e <port>"
A ‘NOT LISTENING’ message confirms the port is closed
TNC in Powershell
tnc <va-address> -p <port>
A False message confirms the port is closed
Log into the source machine and run NCAT utility ‘nc’ e.g.
nc -v <va-address> <port>
[root@gm-testvsphere-va ~]# nc -v 10.10.34.101 80
Ncat: Version 7.50 ( https://nmap.org/ncat )
Ncat: Connection refused.
Connection refused confirms the port is closed.
In the event of a failure please contact your network team. Once rectified please try the replication again.