Community Note

• Please vote on this issue by adding a 👍 reaction to the original issue to help the community and maintainers prioritize this request
• Please do not leave "+1" or other comments that do not add relevant new information or questions, they generate extra noise for issue followers and do not help prioritize the request
• If you are interested in working on this issue or have submitted a pull request, please leave a comment

When filing a bug, please include the following headings if possible. Any
example text in this template can be deleted.

Overview of the Issue

When defining a mac address in the vsphere-iso builder, there is no information that the mac address has to be lowercase. It just fails to obtain the IP address without knowing why.

Reproduction Steps

source "vsphere-iso" "client-node" {
network_adapters {
mac_address ="52:3A:7D:F1:9B:EC"
network_card = "vmxnet3"
}
}

Packer version

v1.6.6

Operating system and Environment details

docker.io/bitnami/python:3.10-debian-11 vpshere 7