Are you logging in on the publisher first?  If not, I would check the Sling Authentication Service in the OSGi console is set to allow Anonymous access. https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-sites-locked-for-anonymous-users/td-p/260595

Is this an adobe hosted cloud environment, or self hosted AWS/Azure environment?  The JMX console will be most likely secured and inaccessible by design.  I would deploy the prod packages to a lower environment and try connecting there.

Unfortunately the package share through CRX is blocked on our internal network.

I'm unable to access www.adobeaemcloud.com.  I login with the proper username/password combo as I have before and I'm initially successful, but if I try accessing the Packages tab, or any other tab, it just defaults back to the screen pictured below, which states "Thank you for signing up, you will ...

Hi,I'm unable to access the package share site internally via AEM, or by visiting: https://www.adobeaemcloud.com/content/login.htmlIt logs me in just fine, but when I attempt to access the Package Share site I get the following message:Thank You! Thank you for signing-up to use Adobe Experience Mana...