unable to add Emergency Responder subscriber

[scheived]

I'm unable to add Emergency Responder subscriber, during install wizard on sub receive error

"Configuration validation with <server name> failed. Configured first node is not a publisher."

I've verified address of publisher is valid, on admin page of sub I've added sub, what's the deal?

since there's no webpage or cli on the subscriber at this point any idea how I'd get logs off the subscriber?

[Maren Mahoney]

First check to make sure the forward and reverse DNS entries for both the pub and the sub are correct. And in that line of thinking, if the CER Pub and Sub are listed by hostname in the CER application, then you have to enter the Pub as a hostname when installing the Sub.

If all of that checks out, put the Sub in the same IP subnet as the Pub (if they aren't already) and try the install again.

If that doesn't work, delete the subscriber from the Publisher, reboot the Publisher, add the Subscriber entry again and try installing it. (I've had to do that one myself.)

If none of that works, it might be time to call TAC.

Maren

[scheived]

Tried all that, hoping tac can help.

[scheived · Accepted solution]

This seems to have started when the hostname was changed. I did a backup and restore to a new host created with the new hostname, I'm able to add the subscriber corrently now.