Form the link you mentioned, we can see:
If the hotfix is available for download, there is a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.
Therefore, you could update Server 2012 to the latest build then check issue again, the new update will include the content of old updates, this hotfix may be involved in. if still no help, you need to submit a request to Microsoft Customer Service and Support to obtain the hotfix.
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