An UNKNOWN_PROTOCOL error may be returned when attempting to create Placeholder Files on a VNX target
During File System Archiving (FSA) placeholder creation the UNKNOWN_PROTOCOL error is returned when using an HTTPS secondary connection on the VNX.
The following error will be seen in the FSA task report file when Reports are set to Full on the archiving task properties.
*** Error *** - Error making file: \\?\UNC\vnxserver.domain.com\share\folder\filename.doc a placeholder file. UNKNOWN_PROTOCOL
This issue affects Enterprise Vault version 12.3.0 and higher. It is caused by an issue resolving the HTTPS secondary connection path on the VNX.
Archiving of files from the file server is not affected by this issue. If possible, an HTTP secondary connection can be used as a workaround to allow for placeholder files to be created properly.
Veritas has acknowledged that the above-mentioned issue is present in the version(s) of the product(s) referenced in this article.
This issue is currently under investigation by Veritas. Pending the outcome of the investigation, this issue may be resolved by way of a cumulative hotfix or service pack in the current or future versions of the software. However, this particular issue is not currently scheduled for any release. If you feel this issue has a direct business impact for you and your continued use of the product, please contact your Veritas Sales representative or the Veritas Sales group to discuss these concerns. For information on how to contact Veritas Sales, please see http://www.Veritas.com .
Please be sure to refer back to this document periodically as any changes to the status of the issue will be reflected here.
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