VMware Converter job ‘failed at 1 %”

While performing a P2V job of a Windows server using VMware Converter the job failed at 1 %. Failed : an error occured during the conversion is displayed. The logs files are not clear in what could be the cause. Last status is “a snapshot of the source system was created succesfully.

Solution: make sure there are no network ports blocked. In this case the source server was an ISA server. After creating a rule which enables traffic between the source server and the server VMware Converter was running on, AND creating a rule which allowed traffic on ports 902 and 443 between the source server and the ESX host the conversion went fine.

For an exact overview of required ports used by Converter see this KB article


About Marcel van den Berg
I am a technical consultant with a strong focus on server virtualization, desktop virtualization, cloud computing and business continuity/disaster recovery.

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