Well done!
Now we need some Windows guru to shed some light on what is happening here. I am afraid my Win knowledge is not enough to interpret it.
But at least we have clear info captured.
Interestingly thread you mentioned Slow startup on Windows have similar operation causing delay:
| 11:36:34.2920494 AM | rclone.exe | 1956 | TCP Disconnect | RL-BU01-AWS.rockliffe.local:59191 -> a2a:808:::epmap | SUCCESS | Length: 0, seqnum: 0, connid: 0 |
|---|---|---|---|---|---|---|
| 11:37:41.2927932 AM | rclone.exe | 1956 | Thread Exit | SUCCESS | Thread ID: 2120, User Time: 0.0000000, Kernel Time: 0.0000000 |
network call to epmap port (it is 135 (RPC) I believe)