https://community.cisco.com/t5/devnet-sandbox/catalyst-center-sandbox/m-p/5128891#M10058 <P>Assume you are talking about the always on version here? I tested at&nbsp;Wed 12 Jun 2024 09:48:31 BST, no problem, note i using an incognito browser here.</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Screenshot 2024-06-12 at 09.49.38.png" style="width: 999px;"><img src="https://community.cisco.com/t5/image/serverpage/image-id/220622i32259CEEA127479A/image-size/large?v=v2&amp;px=999" role="button" title="Screenshot 2024-06-12 at 09.49.38.png" alt="Screenshot 2024-06-12 at 09.49.38.png" /></span></P> <P>&nbsp;</P> Wed, 12 Jun 2024 08:50:18 GMT bigevilbeard 2024-06-12T08:50:18Z https://community.cisco.com/t5/devnet-sandbox/catalyst-center-sandbox/m-p/5128801#M10057 <P>Once you put in the credentials, receiving a HTTP 431 error "this page isnt working"</P> Wed, 12 Jun 2024 02:56:43 GMT https://community.cisco.com/t5/devnet-sandbox/catalyst-center-sandbox/m-p/5128801#M10057 mbrown294 2024-06-12T02:56:43Z https://community.cisco.com/t5/devnet-sandbox/catalyst-center-sandbox/m-p/5128891#M10058 <P>Assume you are talking about the always on version here? I tested at&nbsp;Wed 12 Jun 2024 09:48:31 BST, no problem, note i using an incognito browser here.</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Screenshot 2024-06-12 at 09.49.38.png" style="width: 999px;"><img src="https://community.cisco.com/t5/image/serverpage/image-id/220622i32259CEEA127479A/image-size/large?v=v2&amp;px=999" role="button" title="Screenshot 2024-06-12 at 09.49.38.png" alt="Screenshot 2024-06-12 at 09.49.38.png" /></span></P> <P>&nbsp;</P> Wed, 12 Jun 2024 08:50:18 GMT https://community.cisco.com/t5/devnet-sandbox/catalyst-center-sandbox/m-p/5128891#M10058 bigevilbeard 2024-06-12T08:50:18Z