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This article is intended to address a specific issue identified by a Best Practices Analyzer scan. You should apply the information in this article to computers on which Best Practices Analyzer scans have been run, and that are experiencing the issue addressed by this article. This article can also be useful as general troubleshooting and best practices information to help you configure your server. For more information about best practices and scans, see Run Best Practices Analyzer Scans and Manage Scan Results.

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Operating System

Windows Server 2012


iSCSI Target







One or more firewall ports needed by iSCSI is not open.



ISCSI initiators will be unable to access block resources due to blocked network traffic by the firewall.



Verify all firewall ports needed by iSCSI are open using Group Policy or Windows Firewall.


Additional references

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