https://community.appian.com/support/w/kb/446/kb-1231-group-membership-validation-failed-in-process-for-user-error-thrown-after-upgrade-during-application-server-startupen-USTelligent Community 12https://community.appian.com/support/w/kb/446/kb-1231-group-membership-validation-failed-in-process-for-user-error-thrown-after-upgrade-during-application-server-startupMon, 23 Jul 2018 17:40:19 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:1bed69e9-2a1b-45af-9f3d-3148d6139a2cJordan Horwathttps://community.appian.com/support/w/kb/446/kb-1231-group-membership-validation-failed-in-process-for-user-error-thrown-after-upgrade-during-application-server-startup#commentsCurrent Revision posted to Appian Knowledge Base by Jordan Horwat on 7/23/2018 5:40:19 PM<br /> <div class="row content_container"> <h2 id="symptoms">Symptoms</h2> <p>After an upgrade/migration when you try to start the application server, the deployment fails with the following error:</p> <pre><code>INFO [stdout] (ServerService Thread Pool -- 74) 2016-03-11 07:46:57,031 [ServerService Thread Pool -- 74] ERROR com.appiancorp.ag.util.Utilities - Group membership validation failed in process for user [Administrator] com.appiancorp.kougar.driver.exceptions.Signal: type at com.appiancorp.kougar.driver.ipc.IpcConnection.throwException(IpcConnection.java:228) </code></pre> <h2 id="cause">Cause</h2> <p>The most common cause of this issue is not all database files (*.kdb) were copied over.</p> <h2 id="action">Action</h2> <p>Copy all the engine database files *.kdb files as per the <a href="https://docs.appian.com/suite/help/latest/Upgrade_Guide.html#Copy_Your_Engine_Data">Upgrade Guide</a> and test again.</p> <h2 id="affected-versions">Affected Versions</h2> <p>This article applies to all versions of Appian.</p> </div> <p>Last Reviewed:&nbsp;March 2017</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: engines, installation, upgrade, infrastructure</div> https://community.appian.com/support/w/kb/446/kb-1231-group-membership-validation-failed-in-process-for-user-error-thrown-after-upgrade-during-application-server-startup/revision/1Mon, 06 Mar 2017 22:00:02 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:1bed69e9-2a1b-45af-9f3d-3148d6139a2cNick Vigilantehttps://community.appian.com/support/w/kb/446/kb-1231-group-membership-validation-failed-in-process-for-user-error-thrown-after-upgrade-during-application-server-startup#commentsRevision 1 posted to Appian Knowledge Base by Nick Vigilante on 3/6/2017 10:00:02 PM<br /> <div class="row content_container"> <h2 id="symptoms">Symptoms</h2> <p>After an upgrade/migration when you try to start the application server, the deployment fails with the following error:</p> <pre><code>INFO [stdout] (ServerService Thread Pool -- 74) 2016-03-11 07:46:57,031 [ServerService Thread Pool -- 74] ERROR com.appiancorp.ag.util.Utilities - Group membership validation failed in process for user [Administrator] com.appiancorp.kougar.driver.exceptions.Signal: type at com.appiancorp.kougar.driver.ipc.IpcConnection.throwException(IpcConnection.java:228) </code></pre> <h2 id="cause">Cause</h2> <p>The most common cause of this issue is not all database files (*.kdb) were copied over.</p> <h2 id="action">Action</h2> <p>Copy all the engine database files *.kdb files as per the <a href="https://docs.appian.com/suite/help/latest/Upgrade_Guide.html#Copy_Your_Engine_Data">Upgrade Guide</a> and test again.</p> <h2 id="affected-versions">Affected Versions</h2> <p>This article applies to all versions of Appian.</p> </div> <p>Last Reviewed:&nbsp;March 2017</p> <div style="clear:both;"></div> <div style="font-size: 90%;">Tags: engines, upgrade</div>