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Backup failed unexpectedly - Connect IT Community | Kaseya
<main> <article class="userContent"> <h3 data-id="problem">Problem</h3> <p>Backup fails with the following error in the Backup Logs :- </p> <blockquote class="blockquote"> <p>Backup failed unexpectedly </p> </blockquote> <div></div> <div>And the Agent Procedure logs (located on the 'Agent > Agent Logs' page) shows the following error :-</div> <div> <blockquote class="blockquote"> <div class="blockquote-content">FAILED in processing THEN step 2, Execute Agent DLL Function, with error Spawn Failed, DLL = C:\Program Files (x86)\Kaseya\LNGSYS14996498929620\ExtDlls\Driver.dll, Arguments = --executeTask UnmountVolumes --commandCatalogPath "c:\kworking\KBU\Acronis Command Catalog.json" --messageTypeCatalogPath "c:\kworking\KBU\Acronis Message Type Catalog.json" --BackupRunPath="C:\Program Files (x86)\Kaseya\LNGSYS14996498929620\Backup" --volumes=all --log="c:\kworking\unplugLog.xml" --agentTempPath="c:\kworking" (Line 3)</div> </blockquote> </div> <h3 data-id="cause">Cause</h3> <div>- This error means the Driver.dll file under the agent install directory [ in this case C:\Program Files (x86)\Kaseya\LNGSYS14996498929620\ ] is either missing or corrupt.</div> <div>- It can also be a permission issue - and that the credentials set on the 'Agent > Set Credential' page do not have sufficient privileges to run the file.</div> <p> </p> <h3 data-id="resolution">Resolution</h3> <div> <div>- Rename the Driver.dll file under this directory to Driver.OLD.dll, and replace the file with one from another agent with the same Operating System. Once replaced, run another backup.</div> <div>- Ensure that the agent credentials for this agent are local admin credentials, that are also part of the backup operators group.</div> <div></div> <div>If the issue persists, review the following article for further assistance - <a href="/home/leaving?allowTrusted=1&target=https%3A%2F%2Fhelpdesk.kaseya.com%2Fentries%2F105891876">https://helpdesk.kaseya.com/entries/105891876</a></div> </div> <div></div> <div> <h3 data-id="applies-to">Applies To</h3> <p>Kaseya Backup (KBU)</p> <p>R8, VSA 7.0, VSA 6.5</p> </div> </article> </main>