Connecting through the edo program (sap) error 88 occurs turning off the external dns server 8.8.8.8 then passes what is the reason?

Question

Domain Name System

connection through the edo program (sap) error 88 occurs (connection to the server)
the dns server for the global network and local 8.8.8.8 is installed on the PC and for example "192.168.200.100" if we remove the external dns the connection goes through! dns priorities set to local dns ... it helps to turn off and on the network adapter, there is also a PC on which this scheme works fine ... on a PC (WIN 10 and win 7) I don’t understand where to dig at all ((( help mediocrity ... sinned on dns but the priorities are correct -_-
ADDITIONALLY TO THIS EARLY PC data was fun on the proxy server because refused it had to change the network settings and such a trouble began to happen

. , turn on turn off the network adapter

Answer 1

local 8.8.8.8 and for example "192.168.200.100" if we remove external dns the connection goes through!

look at what domains your edo breaks and see what addresses it gives 8.8.8.8 and local

Answer 2

And disable, if using, DoH in the browser