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How to disable SMB2 enforcement - Connect IT Community | Kaseya
<main> <article class="userContent"> <h2 data-id="summary"><strong>SUMMARY</strong></h2> <p>Disable SMB2-only enforcement to allow Sharepoint backups, Oracle backups or Hyper-V Instant Recovery</p> <h2 data-id="issue"><strong>ISSUE</strong></h2> <p>Unitrends provides regular security patches to address vulnerabilities as discussed in <a href="https://kaseya.vanillacommunities.com/kb/articles/aliases/unitrends/hc/en-us/articles/360013271818" rel="noopener nofollow">Unitrends Response to certain security vulnerabilities (CVEs) - Reference Article</a>.<br><br>As part of these security patches, the Unitrends system can be configured to only allow SMB2 access however certain applications are not fully functional when using SMB2.<br><br>Currently, the following application features do not allow SMB2 support:</p> <ul><li>Hyper-V Instant Recovery</li> <li>Sharepoint application protection</li> <li>Oracle application protection</li> </ul><h2 data-id="resolution"><strong>RESOLUTION</strong></h2> <p>To revert from SMB2-only, run the following commands:</p> <pre class="code codeBlock" spellcheck="false" tabindex="0">security_option smb1 </pre> <p>After changing this setting, in the UI, restart the SMB serivce using the folwing steps:</p> <ol><li>Navigate to Configure, select your Unitrends appliance then click Edit.</li> <li>Under the Advanced tab, select the Support Toolbox.</li> <li>Click the Samba on/off to disable, click it again to re-enable. </li> </ol><div><img src="https://us.v-cdn.net/6032361/uploads/migrated/1CA8OPFVFCW9/eid-ka03r0000015b2j-feoid-00n40000003czqx-refid-0em3r000000yj8t." alt="User-added image" width="500" height="375" class="embedImage-img importedEmbed-img"></img></div> <p><br> </p> </article> </main>