SSO errors: This page doesn't exist and Access denied

<h2 id="h_01HSBNJ34D7V0FHXVPR52XX2WS">Issue symptoms</h2><p>When end users or agents try to sign in through an SSO provider, they are redirected to one of the following pages:</p><p><img src="https://support.zendesk.com/hc/article_attachments/11015929087002" width="453" height="86"><br><img src="https://support.zendesk.com/hc/article_attachments/11015929087258" width="445" height="322"></p><h2 id="h_01HSBNJ34DXM6YG0BHC2NADQP9">Resolution steps</h2><p><strong>This page doesn't exist</strong></p><p>If agents see this error, team member SSO might not have been <a href="https://support.zendesk.com/hc/en-us/articles/4408882188570-Managing-single-sign-on-SSO-configurations" target="_blank" rel="noopener noreferrer">configured</a> correctly, or the return URL is not redirecting the agent to the agent dashboard. </p><p>If the end user seeing this error is authenticating through SSO, the help center is not enabled for end users. <a href="https://support.zendesk.com/hc/en-us/articles/5702269234330-Enabling-and-activating-your-help-center#topic_ndf_fpf_mk" target="_blank" rel="noopener noreferrer">Activate the help center</a> to rectify this behavior.</p><p><strong>Access denied</strong><br>If agents see this error, team member SSO might not have been <a href="https://support.zendesk.com/hc/en-us/articles/4408882188570-Managing-single-sign-on-SSO-configurations" target="_blank" rel="noopener noreferrer">configured</a> correctly, or the agent wasn't authenticated correctly through SSO. </p><p>If end users see this error, they are being redirected to the agent dashboard instead of help center. Share the link to your help center with your end users instead.</p><p>For more information, see these articles:</p><ul>
<li data-list-item-id="efb17c904e2abe2ea91cb756647ba4dd3"><a href="https://support.zendesk.com/hc/en-us/articles/4408883587226-Single-sign-on-SSO-options-in-Zendesk" target="_blank" rel="noopener noreferrer">Single sign-on (SSO) options in Zendesk</a></li>
<li data-list-item-id="eeb3d8e9c0f0677dfbd2055acdc5dcfb8"><a href="https://support.zendesk.com/hc/en-us/articles/5702269234330-Enabling-and-activating-your-help-center" target="_blank" rel="noopener noreferrer">Enabling and activating your help center</a></li>
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</style><div class="ai-only" aria-hidden="true"><details><summary>THIS SECTION IS AI CONTENT. DON'T EDIT OR DELETE.</summary><h2 id="h_01KXKSF32X7MQ7423VKATAHD3F">Can an agent see "This page doesn't exist" when signing in through Single Sign-On? Does an incorrect SSO configuration redirect a support person to "This page doesn't exist"? Can a team member experience a "This page doesn't exist" error during Login with Google/Okta?</h2>
<p>You did not configure <strong>team member SSO</strong> or Single Sign-On correctly, or the return URL does not redirect the agent or support person to the <strong>agent dashboard</strong> or inbox.</p>
<h2 id="h_01KXKSF32XV58H42C745313G4G">Can a customer see "This page doesn't exist" when authenticating through Single Sign-On? Does an inactive knowledge base cause a "This page doesn't exist" error for a user during SSO login? Can a client get a "This page doesn't exist" error when using Login with Google/Okta?</h2>
<p>The system displays this error when you do not enable the <strong>help center</strong> or knowledge base for end users or customers.</p>
<ol><li data-list-item-id="ebdf71a5b50c5e09c88753948aea9c3cc">Activate the <strong>help center</strong> or knowledge base.</li></ol>
<p>This action rectifies the behavior for your users.</p>
<h2 id="h_01KXKSF32XX7V4AM687F5A13RT">Can a team member see "Access denied" when signing in through Single Sign-On? Does an incorrect SSO configuration cause an "Access denied" error for a support person? Can an agent experience an "Access denied" error during Login with Google/Okta?</h2>
<p>You did not configure <strong>team member SSO</strong> or Single Sign-On correctly, or the system did not authenticate the agent or support person correctly through SSO.</p>
<h2 id="h_01KXKSF32X177B09Q0008A63RJ">Can a customer receive an "Access denied" error when logging in with Single Sign-On? Does the system redirect a user to the inbox and show "Access denied" during SSO? Can a client see "Access denied" if they use Login with Google/Okta?</h2>
<p>The system redirects end users or customers to the <strong>agent dashboard</strong> or inbox instead of the <strong>help center</strong> or knowledge base.</p>
<ol><li data-list-item-id="e71e5eefe6c000b2ed4bbc6564507ca97">Share the link to your <strong>help center</strong> or knowledge base with your end users or customers.</li></ol>
<p>This step ensures they access the correct page.</p></details></div>