I hope that when you did the downgrade you actually did a downgrade of "ALL" and not just CIMC and BIOS (best practice is to have everything run the same version, when talking about rack mount servers)
Now, in regards to KVM, can other computers access KVM?
On my computer, jnlp files are automatically saved (in "temp") every time I need to pull KVM again, do you happen to have an old jnlp file anywhere you can look for and try to pull KVM from there? (just or testing).
It would be worth it to use the "reboot CIMC" (This is not disruptive to the OS, only to the mgmt interface of the server) from the Admin tab where the show tech is also generated. If you have the luxury of rebooting the server, that is a better option than rebooting just CIMC.
If this still does not work, it would be useful to open a TAC case and investigate further.
saw same behavior recently while working on UCS C240 M3 server running firmware 2.0(1b), tried several things but continued to get "application cannot be launched " error. tried latest version 8 of JAVA , reduced security on java, added hosts in java permission list but no luck. Finally i got it resolved by downgrading the Java to version 7. Also its important that you installed the 32 or 64 bit of version based on your OS on windows machine. Hope this helps !
Cisco should document this, took nearly whole day to get this fixed.
This document will provide screenshots to outline the steps to setup
TACACS+ configuration to ACI and also the configuration required on
Cisco ACS server. Please find the official Cisco guide for configuring
TACACS+ Authentication to ACI:
Is it supported or NOT supported? It's a frequently asked question.
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Cisco Documents are usually accurate, but when it came to the document
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