diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
index 6834b6cb97..5e23240701 100644
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -686,6 +686,8 @@ phutil_register_library_map(array(
     'PhabricatorConfigEntry' => 'applications/config/storage/PhabricatorConfigEntry.php',
     'PhabricatorConfigEntryDAO' => 'applications/config/storage/PhabricatorConfigEntryDAO.php',
     'PhabricatorConfigFileSource' => 'infrastructure/env/PhabricatorConfigFileSource.php',
+    'PhabricatorConfigIssueListController' => 'applications/config/controller/PhabricatorConfigIssueListController.php',
+    'PhabricatorConfigIssueViewController' => 'applications/config/controller/PhabricatorConfigIssueViewController.php',
     'PhabricatorConfigListController' => 'applications/config/controller/PhabricatorConfigListController.php',
     'PhabricatorConfigLocalSource' => 'infrastructure/env/PhabricatorConfigLocalSource.php',
     'PhabricatorConfigManagementSetWorkflow' => 'infrastructure/env/management/PhabricatorConfigManagementSetWorkflow.php',
@@ -1135,6 +1137,10 @@ phutil_register_library_map(array(
     'PhabricatorSettingsPanelSSHKeys' => 'applications/settings/panel/PhabricatorSettingsPanelSSHKeys.php',
     'PhabricatorSettingsPanelSearchPreferences' => 'applications/settings/panel/PhabricatorSettingsPanelSearchPreferences.php',
     'PhabricatorSetup' => 'infrastructure/PhabricatorSetup.php',
+    'PhabricatorSetupCheck' => 'applications/config/check/PhabricatorSetupCheck.php',
+    'PhabricatorSetupCheckAPC' => 'applications/config/check/PhabricatorSetupCheckAPC.php',
+    'PhabricatorSetupIssue' => 'applications/config/issue/PhabricatorSetupIssue.php',
+    'PhabricatorSetupIssueView' => 'applications/config/view/PhabricatorSetupIssueView.php',
     'PhabricatorSlowvoteChoice' => 'applications/slowvote/storage/PhabricatorSlowvoteChoice.php',
     'PhabricatorSlowvoteComment' => 'applications/slowvote/storage/PhabricatorSlowvoteComment.php',
     'PhabricatorSlowvoteController' => 'applications/slowvote/controller/PhabricatorSlowvoteController.php',
@@ -2002,6 +2008,8 @@ phutil_register_library_map(array(
     'PhabricatorConfigEntry' => 'PhabricatorConfigEntryDAO',
     'PhabricatorConfigEntryDAO' => 'PhabricatorLiskDAO',
     'PhabricatorConfigFileSource' => 'PhabricatorConfigProxySource',
+    'PhabricatorConfigIssueListController' => 'PhabricatorConfigController',
+    'PhabricatorConfigIssueViewController' => 'PhabricatorConfigController',
     'PhabricatorConfigListController' => 'PhabricatorConfigController',
     'PhabricatorConfigLocalSource' => 'PhabricatorConfigProxySource',
     'PhabricatorConfigManagementSetWorkflow' => 'PhabricatorConfigManagementWorkflow',
@@ -2409,6 +2417,8 @@ phutil_register_library_map(array(
     'PhabricatorSettingsPanelProfile' => 'PhabricatorSettingsPanel',
     'PhabricatorSettingsPanelSSHKeys' => 'PhabricatorSettingsPanel',
     'PhabricatorSettingsPanelSearchPreferences' => 'PhabricatorSettingsPanel',
+    'PhabricatorSetupCheckAPC' => 'PhabricatorSetupCheck',
+    'PhabricatorSetupIssueView' => 'AphrontView',
     'PhabricatorSlowvoteChoice' => 'PhabricatorSlowvoteDAO',
     'PhabricatorSlowvoteComment' => 'PhabricatorSlowvoteDAO',
     'PhabricatorSlowvoteController' => 'PhabricatorController',
diff --git a/src/applications/config/application/PhabricatorApplicationConfig.php b/src/applications/config/application/PhabricatorApplicationConfig.php
index 88e78dd3c7..e069d1b602 100644
--- a/src/applications/config/application/PhabricatorApplicationConfig.php
+++ b/src/applications/config/application/PhabricatorApplicationConfig.php
@@ -25,8 +25,12 @@ final class PhabricatorApplicationConfig extends PhabricatorApplication {
   public function getRoutes() {
     return array(
       '/config/' => array(
-        ''                        => 'PhabricatorConfigListController',
+        ''                          => 'PhabricatorConfigListController',
         'edit/(?P<key>[\w\.\-]+)/'  => 'PhabricatorConfigEditController',
+        'issue/' => array(
+          '' => 'PhabricatorConfigIssueListController',
+          '(?P<key>[^/]+)/' => 'PhabricatorConfigIssueViewController',
+        ),
       ),
     );
   }
diff --git a/src/applications/config/check/PhabricatorSetupCheck.php b/src/applications/config/check/PhabricatorSetupCheck.php
new file mode 100644
index 0000000000..187236c174
--- /dev/null
+++ b/src/applications/config/check/PhabricatorSetupCheck.php
@@ -0,0 +1,79 @@
+<?php
+
+abstract class PhabricatorSetupCheck {
+
+  private $issues;
+
+  abstract protected function executeChecks();
+
+  final protected function newIssue($key) {
+    $issue = id(new PhabricatorSetupIssue())
+      ->setIssueKey($key);
+
+    $this->issues[$key] = $issue;
+
+    return $issue;
+  }
+
+  final public function getIssues() {
+    return $this->issues;
+  }
+
+  final public function runSetupChecks() {
+    $this->issues = array();
+    $this->executeChecks();
+  }
+
+  final public static function getOpenSetupIssueCount() {
+    $cache = PhabricatorCaches::getSetupCache();
+    return $cache->getKey('phabricator.setup.issues');
+  }
+
+  final public static function setOpenSetupIssueCount($count) {
+    $cache = PhabricatorCaches::getSetupCache();
+    $cache->setKey('phabricator.setup.issues', $count);
+  }
+
+  final public static function willProcessRequest() {
+    $issue_count = self::getOpenSetupIssueCount();
+    if ($issue_count !== null) {
+      // We've already run setup checks, didn't hit any fatals, and then set
+      // an issue count. This means we're good and don't need to do any extra
+      // work.
+      return null;
+    }
+
+    $issues = self::runAllChecks();
+
+    self::setOpenSetupIssueCount(count($issues));
+
+    return null;
+  }
+
+  final public static function runAllChecks() {
+    $symbols = id(new PhutilSymbolLoader())
+      ->setAncestorClass('PhabricatorSetupCheck')
+      ->setConcreteOnly(true)
+      ->selectAndLoadSymbols();
+
+    $checks = array();
+    foreach ($symbols as $symbol) {
+      $checks[] = newv($symbol['name'], array());
+    }
+
+    $issues = array();
+    foreach ($checks as $check) {
+      $check->runSetupChecks();
+      foreach ($check->getIssues() as $key => $issue) {
+        if (isset($issues[$key])) {
+          throw new Exception(
+            "Two setup checks raised an issue with key '{$key}'!");
+        }
+        $issues[$key] = $issue;
+      }
+    }
+
+    return $issues;
+  }
+
+}
diff --git a/src/applications/config/check/PhabricatorSetupCheckAPC.php b/src/applications/config/check/PhabricatorSetupCheckAPC.php
new file mode 100644
index 0000000000..3a583e5b84
--- /dev/null
+++ b/src/applications/config/check/PhabricatorSetupCheckAPC.php
@@ -0,0 +1,37 @@
+<?php
+
+final class PhabricatorSetupCheckAPC extends PhabricatorSetupCheck {
+
+  protected function executeChecks() {
+    if (!extension_loaded('apc')) {
+      $message = pht(
+        "Installing the PHP extension 'APC' (Alternative PHP Cache) will ".
+        "dramatically improve performance.");
+
+      $this
+        ->newIssue('extension.apc')
+        ->setShortName(pht('APC'))
+        ->setName(pht("PHP Extension 'APC' Not Installed"))
+        ->setMessage($message)
+        ->addPHPExtension('apc');
+      return;
+    }
+
+    if (!ini_get('apc.enabled')) {
+      $summary = pht("Enabling APC will dramatically improve performance.");
+      $message = pht(
+        "The PHP extension 'APC' is installed, but not enabled in your PHP ".
+        "configuration. Enabling it will dramatically improve Phabricator ".
+        "performance. Edit the 'apc.enabled' setting to enable the extension.");
+
+      $this
+        ->newIssue('extension.apc.enabled')
+        ->setShortName(pht('APC Disabled'))
+        ->setName(pht("PHP Extension 'APC' Not Enabled"))
+        ->setSummary($summary)
+        ->setMessage($message)
+        ->addPHPConfig('apc.enabled');
+    }
+
+  }
+}
diff --git a/src/applications/config/controller/PhabricatorConfigIssueListController.php b/src/applications/config/controller/PhabricatorConfigIssueListController.php
new file mode 100644
index 0000000000..fd794e3e71
--- /dev/null
+++ b/src/applications/config/controller/PhabricatorConfigIssueListController.php
@@ -0,0 +1,65 @@
+<?php
+
+final class PhabricatorConfigIssueListController
+  extends PhabricatorConfigController {
+
+  public function processRequest() {
+    $request = $this->getRequest();
+    $user = $request->getUser();
+
+    $nav = $this->buildSideNavView();
+
+    $issues = PhabricatorSetupCheck::runAllChecks();
+    PhabricatorSetupCheck::setOpenSetupIssueCount(count($issues));
+
+    $list = $this->buildIssueList($issues);
+    $list->setNoDataString(pht("There are no open setup issues."));
+
+    $header = id(new PhabricatorHeaderView())
+      ->setHeader(pht('Open Phabricator Setup Issues'));
+
+    $nav->appendChild(
+      array(
+        $header,
+        $list,
+      ));
+
+    $title = pht('Setup Issues');
+
+    $crumbs = $this
+      ->buildApplicationCrumbs($nav)
+      ->addCrumb(
+        id(new PhabricatorCrumbView())
+          ->setName($title)
+          ->setHref($this->getApplicationURI('issue/')));
+
+    $nav->setCrumbs($crumbs);
+
+    return $this->buildApplicationPage(
+      $nav,
+      array(
+        'title' => $title,
+        'device' => true,
+      )
+    );
+  }
+
+  private function buildIssueList(array $issues) {
+    assert_instances_of($issues, 'PhabricatorSetupIssue');
+    $list = new PhabricatorObjectItemListView();
+
+    foreach ($issues as $issue) {
+      $href = $this->getApplicationURI('/issue/'.$issue->getIssueKey().'/');
+      $item = id(new PhabricatorObjectItemView())
+        ->setHeader($issue->getName())
+        ->setHref($href)
+        ->setBarColor('yellow')
+        ->addIcon('warning', pht('Setup Warning'))
+        ->addAttribute($issue->getSummary());
+      $list->addItem($item);
+    }
+
+    return $list;
+  }
+
+}
diff --git a/src/applications/config/controller/PhabricatorConfigIssueViewController.php b/src/applications/config/controller/PhabricatorConfigIssueViewController.php
new file mode 100644
index 0000000000..cf5c6ea449
--- /dev/null
+++ b/src/applications/config/controller/PhabricatorConfigIssueViewController.php
@@ -0,0 +1,81 @@
+<?php
+
+final class PhabricatorConfigIssueViewController
+  extends PhabricatorConfigController {
+
+  private $issueKey;
+
+  public function willProcessRequest(array $data) {
+    $this->issueKey = $data['key'];
+  }
+
+  public function processRequest() {
+    $request = $this->getRequest();
+    $user = $request->getUser();
+
+    $nav = $this->buildSideNavView();
+
+    $issues = PhabricatorSetupCheck::runAllChecks();
+    PhabricatorSetupCheck::setOpenSetupIssueCount(count($issues));
+
+    if (empty($issues[$this->issueKey])) {
+      $content = id(new AphrontErrorView())
+        ->setSeverity(AphrontErrorView::SEVERITY_NOTICE)
+        ->setTitle(pht('Issue Resolved'))
+        ->appendChild(pht('This setup issue has been resolved. '))
+        ->appendChild(
+          phutil_render_tag(
+            'a',
+            array(
+              'href' => $this->getApplicationURI('issue/'),
+            ),
+            pht('Return to Open Issue List')));
+      $title = pht('Resolved Issue');
+    } else {
+      $issue = $issues[$this->issueKey];
+      $content = $this->renderIssue($issue);
+      $title = $issue->getShortName();
+    }
+
+    $nav->appendChild($content);
+
+    $crumbs = $this
+      ->buildApplicationCrumbs($nav)
+      ->addCrumb(
+        id(new PhabricatorCrumbView())
+          ->setName(pht('Setup Issues'))
+          ->setHref($this->getApplicationURI('issue/')))
+      ->addCrumb(
+        id(new PhabricatorCrumbView())
+          ->setName($title)
+          ->setHref($request->getRequestURI()));
+
+    $nav->setCrumbs($crumbs);
+
+    return $this->buildApplicationPage(
+      $nav,
+      array(
+        'title' => $title,
+        'device' => true,
+      )
+    );
+  }
+
+  private function renderIssue(PhabricatorSetupIssue $issue) {
+    require_celerity_resource('setup-issue-css');
+
+    $view = new PhabricatorSetupIssueView();
+    $view->setIssue($issue);
+    $view;
+
+    $container = phutil_render_tag(
+      'div',
+      array(
+        'class' => 'setup-issue-background',
+      ),
+      $view->render());
+
+    return $container;
+  }
+
+}
diff --git a/src/applications/config/issue/PhabricatorSetupIssue.php b/src/applications/config/issue/PhabricatorSetupIssue.php
new file mode 100644
index 0000000000..fec0cd0be6
--- /dev/null
+++ b/src/applications/config/issue/PhabricatorSetupIssue.php
@@ -0,0 +1,113 @@
+<?php
+
+final class PhabricatorSetupIssue {
+
+  private $issueKey;
+  private $name;
+  private $message;
+  private $isFatal;
+  private $summary;
+  private $shortName;
+
+  private $phpExtensions = array();
+  private $phabricatorConfig = array();
+  private $phpConfig = array();
+  private $commands = array();
+
+  public function addCommand($command) {
+    $this->commands[] = $command;
+    return $this;
+  }
+
+  public function getCommands() {
+    return $this->commands;
+  }
+
+  public function setShortName($short_name) {
+    $this->shortName = $short_name;
+    return $this;
+  }
+
+  public function getShortName() {
+    if ($this->shortName === null) {
+      return $this->getName();
+    }
+    return $this->shortName;
+  }
+
+  public function setName($name) {
+    $this->name = $name;
+    return $this;
+  }
+
+  public function getName() {
+    return $this->name;
+  }
+
+  public function setSummary($summary) {
+    $this->summary = $summary;
+    return $this;
+  }
+
+  public function getSummary() {
+    if ($this->summary === null) {
+      return $this->getMessage();
+    }
+    return $this->summary;
+  }
+
+  public function setIssueKey($issue_key) {
+    $this->issueKey = $issue_key;
+    return $this;
+  }
+
+  public function getIssueKey() {
+    return $this->issueKey;
+  }
+
+  public function setIsFatal($is_fatal) {
+    $this->isFatal = $is_fatal;
+    return $this;
+  }
+
+  public function getIsFatal() {
+    return $this->isFatal;
+  }
+
+  public function addPHPConfig($php_config) {
+    $this->phpConfig[] = $php_config;
+    return $this;
+  }
+
+  public function getPHPConfig() {
+    return $this->phpConfig;
+  }
+
+  public function addPhabricatorConfig($phabricator_config) {
+    $this->phabricatorConfig[] = $phabricator_config;
+    return $this;
+  }
+
+  public function getPhabricatorConfig() {
+    return $this->phabricatorConfig;
+  }
+
+  public function addPHPExtension($php_extension) {
+    $this->phpExtensions[] = $php_extension;
+    return $this;
+  }
+
+  public function getPHPExtensions() {
+    return $this->phpExtensions;
+  }
+
+  public function setMessage($message) {
+    $this->message = $message;
+    return $this;
+  }
+
+  public function getMessage() {
+    return $this->message;
+  }
+
+}
diff --git a/src/applications/config/view/PhabricatorSetupIssueView.php b/src/applications/config/view/PhabricatorSetupIssueView.php
new file mode 100644
index 0000000000..c4f2f14eaa
--- /dev/null
+++ b/src/applications/config/view/PhabricatorSetupIssueView.php
@@ -0,0 +1,290 @@
+<?php
+
+final class PhabricatorSetupIssueView extends AphrontView {
+
+  private $issue;
+
+  public function setIssue(PhabricatorSetupIssue $issue) {
+    $this->issue = $issue;
+    return $this;
+  }
+
+  public function getIssue() {
+    return $this->issue;
+  }
+
+  public function render() {
+    $issue = $this->getIssue();
+
+    $description = phutil_render_tag(
+      'div',
+      array(
+        'class' => 'setup-issue-instructions',
+      ),
+      nl2br(phutil_escape_html($issue->getMessage())));
+
+    $configs = $issue->getPhabricatorConfig();
+    if ($configs) {
+      $description .= $this->renderPhabricatorConfig($configs);
+    }
+
+    $configs = $issue->getPHPConfig();
+    if ($configs) {
+      $description .= $this->renderPHPConfig($configs);
+    }
+
+    $commands = $issue->getCommands();
+    if ($commands) {
+      $run_these = pht("Run these %d command(s):", count($commands));
+      $description .= phutil_render_tag(
+        'div',
+        array(
+          'class' => 'setup-issue-config',
+        ),
+        phutil_render_tag('p', array(), $run_these).
+        phutil_render_tag('pre', array(), implode("\n", $commands)));
+    }
+
+    $extensions = $issue->getPHPExtensions();
+    if ($extensions) {
+      $install_these = pht(
+        "Install these %d PHP extension(s):", count($extensions));
+
+      $install_info = pht(
+        "You can usually install a PHP extension using <tt>apt-get</tt> or ".
+        "<tt>yum</tt>. Common package names are ".
+        "<tt>php-<em>extname</em></tt> or <tt>php5-<em>extname</em></tt>. ".
+        "Try commands like these:");
+
+      // TODO: We should do a better job of detecting how to install extensions
+      // on the current system.
+      $install_commands = array(
+        "$ sudo apt-get install php5-<em>extname</em>  # Debian / Ubuntu",
+        "$ sudo yum install php5-<em>extname</em>      # Red Hat / Derivatives",
+      );
+      $install_commands = implode("\n", $install_commands);
+
+      $fallback_info = pht(
+        "If those commands don't work, try Google. The process of installing ".
+        "PHP extensions is not specific to Phabricator, and any instructions ".
+        "you can find for installing them on your system should work. On Mac ".
+        "OS X, you might want to try Homebrew.");
+
+      $restart_info = pht(
+        "After installing new PHP extensions, <strong>restart your webserver ".
+        "for the changes to take effect</strong>.");
+
+      $description .= phutil_render_tag(
+        'div',
+        array(
+          'class' => 'setup-issue-config',
+        ),
+        phutil_render_tag('p', array(), $install_these).
+        phutil_render_tag('pre', array(), implode("\n", $extensions)).
+        phutil_render_tag('p', array(), $install_info).
+        phutil_render_tag('pre', array(), $install_commands).
+        phutil_render_tag('p', array(), $fallback_info).
+        phutil_render_tag('p', array(), $restart_info));
+
+    }
+
+    $next = phutil_render_tag(
+      'div',
+      array(
+        'class' => 'setup-issue-next',
+      ),
+      pht('To continue, resolve this problem and reload the page.'));
+
+    $name = phutil_render_tag(
+      'div',
+      array(
+        'class' => 'setup-issue-name',
+      ),
+      phutil_escape_html($issue->getName()));
+
+    return phutil_render_tag(
+      'div',
+      array(
+        'class' => 'setup-issue',
+      ),
+      $name.$description.$next);
+  }
+
+  private function renderPhabricatorConfig(array $configs) {
+    $table_info = phutil_render_tag(
+      'p',
+      array(),
+      pht(
+        "The current Phabricator configuration has these %d value(s):",
+        count($configs)));
+
+    $table = array();
+    foreach ($configs as $key) {
+      $table[] = '<tr>';
+      $table[] = '<th>'.phutil_escape_html($key).'</th>';
+
+      $value = PhabricatorEnv::getEnvConfig($key);
+      if ($value === null) {
+        $value = '<em>null</em>';
+      } else if ($value === false) {
+        $value = '<em>false</em>';
+      } else if ($value === true) {
+        $value = '<em>true</em>';
+      } else {
+        $value = phutil_escape_html($value);
+      }
+
+      $table[] = '<td>'.$value.'</td>';
+      $table[] = '</tr>';
+    }
+
+    $table = phutil_render_tag(
+      'table',
+      array(
+
+      ),
+      implode("\n", $table));
+
+    $update_info = phutil_render_tag(
+      'p',
+      array(),
+      pht(
+        "To update these %d value(s), run these command(s) from the command ".
+        "line:",
+        count($configs)));
+
+    $update = array();
+    foreach ($configs as $key) {
+      $cmd = '<tt>phabricator/ $</tt> ./bin/config set '.
+              phutil_escape_html($key).' '.
+             '<em>value</em>';
+      $update[] = $cmd;
+    }
+    $update = phutil_render_tag('pre', array(), implode("\n", $update));
+
+    return phutil_render_tag(
+      'div',
+      array(
+        'class' => 'setup-issue-config',
+      ),
+      self::renderSingleView(
+        array(
+          $table_info,
+          $table,
+          $update_info,
+          $update,
+        )));
+  }
+
+  private function renderPHPConfig(array $configs) {
+    $table_info = phutil_render_tag(
+      'p',
+      array(),
+      pht(
+        "The current PHP configuration has these %d value(s):",
+        count($configs)));
+
+    $table = array();
+    foreach ($configs as $key) {
+      $table[] = '<tr>';
+      $table[] = '<th>'.phutil_escape_html($key).'</th>';
+
+      $value = ini_get($key);
+      if ($value === null) {
+        $value = '<em>null</em>';
+      } else if ($value === false) {
+        $value = '<em>false</em>';
+      } else if ($value === true) {
+        $value = '<em>true</em>';
+      } else if ($value === '') {
+        $value = '<em>(empty string)</em>';
+      } else {
+        $value = phutil_escape_html($value);
+      }
+
+      $table[] = '<td>'.$value.'</td>';
+      $table[] = '</tr>';
+    }
+
+    $table = phutil_render_tag(
+      'table',
+      array(
+
+      ),
+      implode("\n", $table));
+
+    ob_start();
+      phpinfo();
+    $phpinfo = ob_get_clean();
+
+
+    $rex = '@Loaded Configuration File\s*</td><td class="v">(.*?)</td>@i';
+    $matches = null;
+
+    $ini_loc = null;
+    if (preg_match($rex, $phpinfo, $matches)) {
+      $ini_loc = trim($matches[1]);
+    }
+
+    $rex = '@Additional \.ini files parsed\s*</td><td class="v">(.*?)</td>@i';
+
+    $more_loc = array();
+    if (preg_match($rex, $phpinfo, $matches)) {
+      $more_loc = trim($matches[1]);
+      if ($more_loc == '(none)') {
+        $more_loc = array();
+      } else {
+        $more_loc = preg_split('/\s*,\s*/', $more_loc);
+      }
+    }
+
+    if (!$ini_loc) {
+      $info = phutil_render_tag(
+        'p',
+        array(),
+        pht(
+          "To update these %d value(s), edit your PHP configuration file.",
+          count($configs)));
+    } else {
+      $info = phutil_render_tag(
+        'p',
+        array(),
+        pht(
+          "To update these %d value(s), edit your PHP configuration file, ".
+          "located here:",
+          count($configs)));
+      $info .= phutil_render_tag(
+        'pre',
+        array(),
+        phutil_escape_html($ini_loc));
+    }
+
+    if ($more_loc) {
+      $info .= phutil_render_tag(
+        'p',
+        array(),
+        pht(
+          "PHP also loaded these configuration file(s):",
+          count($more_loc)));
+      $info .= phutil_render_tag(
+        'pre',
+        array(),
+        phutil_escape_html(implode("\n", $more_loc)));
+    }
+
+    $info .= phutil_render_tag(
+      'p',
+      array(),
+      pht(
+        "After editing the PHP configuration, <strong>restart your webserver ".
+        "for the changes to take effect</strong>."));
+
+    return phutil_render_tag(
+      'div',
+      array(
+        'class' => 'setup-issue-config',
+      ),
+      $table_info.$table.$info);
+  }
+
+}
diff --git a/webroot/index.php b/webroot/index.php
index 5c9e89f3d3..fc60165d93 100644
--- a/webroot/index.php
+++ b/webroot/index.php
@@ -38,6 +38,8 @@ try {
     return;
   }
 
+  PhabricatorSetupCheck::willProcessRequest();
+
   phabricator_detect_bad_base_uri();
 
   $host = $_SERVER['HTTP_HOST'];
diff --git a/webroot/rsrc/css/application/config/setup-issue.css b/webroot/rsrc/css/application/config/setup-issue.css
new file mode 100644
index 0000000000..58c34d997f
--- /dev/null
+++ b/webroot/rsrc/css/application/config/setup-issue.css
@@ -0,0 +1,86 @@
+/**
+ * @provides setup-issue-css
+ */
+
+
+.setup-issue-background {
+  background-color: #edecef;
+  padding: 1em 0;
+}
+
+.setup-issue {
+  border: 1px solid #35393d;
+  margin: 15px auto;
+  max-width: 760px;
+  background: #ffffff;
+  box-shadow: 1px 2px 2px rgba(0, 0, 0, 0.25);
+}
+
+.setup-issue p {
+  margin: 1em 0;
+}
+
+.setup-issue table {
+  width: 90%;
+  margin: auto;
+  border-collapse: collapse;
+  border: 1px solid #dfdfdf;
+}
+
+.setup-issue table th {
+  text-align: right;
+  width: 30%;
+  background: #efefef;
+  border: 1px solid #dfdfdf;
+  padding: 8px;
+}
+
+.setup-issue table td {
+  border: 1px solid #dfdfdf;
+  padding: 8px;
+}
+
+.setup-issue pre {
+  width: 84%;
+  margin: auto;
+  border: 1px solid #dfdfdf;
+  padding: 10px 3%;
+  background: #efefef;
+}
+
+.setup-issue tt {
+  color: #666666;
+}
+
+.setup-issue em {
+  font-weight: bold;
+}
+
+.setup-issue-instructions {
+  font-size: 15px;
+  padding: 20px;
+  line-height: 1.4em;
+  background: #efefef;
+  border-bottom: 1px solid #bfbfbf;
+}
+
+.setup-issue-name {
+  padding: 15px;
+  background: #35393d;
+  color: #ffffff;
+  font-size: 15px;
+  font-weight: bold;
+}
+
+.setup-issue-next {
+  padding: 15px;
+  background: #35393d;
+  text-align: center;
+  font-size: 16px;
+  color: #ffffff;
+}
+
+.setup-issue-config {
+  margin: 15px 0;
+  padding: 0 20px;
+}