https://community.cisco.com/t5/devnet-sandbox/meraki-sandbox-credential-amp-loginlink-not-working/m-p/5366800#M12144 <P>Hello</P><P>i have reserved the Meraki Sandbox.</P><P>It is active. i got the email with the credentials. but - the Provided Loginlink does not work.</P><P>i get this error:&nbsp;<STRONG><SPAN class="">Message:<SPAN>&nbsp;</SPAN></SPAN><SPAN>AADSTS500213: The resource tenant's cross-tenant access policy does not allow this user to access this tenant.</SPAN></STRONG></P><P>going to the meraki dshboard login page and useing the provided credentials gives me a wrong loging error.</P><P>im going Crazy. The Always-on CCC Sandbox is offline, with no information when it will be back.</P><P>The Meraki Sandbox is not working and i need to test the MCP Server...</P><P>&nbsp;</P> Mon, 02 Feb 2026 12:18:18 GMT ChrisCH 2026-02-02T12:18:18Z https://community.cisco.com/t5/devnet-sandbox/meraki-sandbox-credential-amp-loginlink-not-working/m-p/5366800#M12144 <P>Hello</P><P>i have reserved the Meraki Sandbox.</P><P>It is active. i got the email with the credentials. but - the Provided Loginlink does not work.</P><P>i get this error:&nbsp;<STRONG><SPAN class="">Message:<SPAN>&nbsp;</SPAN></SPAN><SPAN>AADSTS500213: The resource tenant's cross-tenant access policy does not allow this user to access this tenant.</SPAN></STRONG></P><P>going to the meraki dshboard login page and useing the provided credentials gives me a wrong loging error.</P><P>im going Crazy. The Always-on CCC Sandbox is offline, with no information when it will be back.</P><P>The Meraki Sandbox is not working and i need to test the MCP Server...</P><P>&nbsp;</P> Mon, 02 Feb 2026 12:18:18 GMT https://community.cisco.com/t5/devnet-sandbox/meraki-sandbox-credential-amp-loginlink-not-working/m-p/5366800#M12144 ChrisCH 2026-02-02T12:18:18Z