Avamar: The Proxy Deployment Manager (PDM) fails
Summary: Avamar: Proxy Deployment Manager (PDM) fails with the error: "fault.com.emc.avamar.vmware.vcs.deploymanager.register_hostname_invalid.summary"
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Symptoms
The Proxy Deployment Manager (PDM) fails with error: fault.com.emc.avamar.vmware.vcs.deploymanager.register_hostname_invalid.summary, at 50% in the "waiting for networking" phase

The /usr/local/avamar/var/log/vcs/deploymanager.log shows the following:
DEBUG [pool-5-thread-2][worker.TaskWorker#teTaskDescription]: Updating task description: Registering proxy...
INFO [pool-5-thread-2][domain.Proxy#register]: Proxy hostname: localhost.localdom
WARN [pool-5-thread-2][worker.DeployWorker#run]: Deploy failed. null
DEBUG [pool-5-thread-2][worker.TaskWorker#teTaskDescription]: Updating task description:
INFO [pool-5-thread-2][worker.TaskWorker#sendTaskError]: Sending fault com.emc.avamar.vmware.vcs.deploymanager.register_hostname_invalid Cause
The reverse lookup entry for the proxy is missing from the Domain Name System (DNS) server.
This causes the proxy hostname to become "localhost.localdom," which is not recognized by Avamar as a valid hostname.
Resolution
Add a reverse lookup entry for the proxy in the DNS server.
Affected Products
Avamar, Avamar ServerArticle Properties
Article Number: 000078735
Article Type: Solution
Last Modified: 18 Sept 2025
Version: 4
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