unable to create migration endpoint in O365 portal

[sprazapati]

When I create endpoint the remote can not contacted like that error message getting. We are doing migration on prem exchange 2010 to office 365.

[#2 · Accepted solution]

Here are three things to check for:
Check to make sure that the MRS service is running on the Exchange Hybrid server where the firewall NAT rule is pointing to.
Check to make sure the firewall logs don't show a deny or drop packet.
Check to see if the password has changed on the migration account as described here:
https://www.petenetlive.com/KB/Article/0001358

[#3]

@Joe Stocker Thanks