During the initial configuration of MNE (Migrator for Notes to Exchange)- Exchange Server, you are not able to connect after selecting apply button.
You have verified you can connect manually through the Outlook client on the MNE server and you are able to open the target mailboxes manually.
RESOLUTION 1
1- Verify Exchange Proxy Settings | Outlook Anywhere: Proxy Authentication Settings set to NTLM Authentication of the Outlook client
2- Configure Outlook Anywhere in Exchange server to Allow SSL offloading and NTLM Authentication.
RESOLUTION 2
1. Verify Outlook profile for the MNE admin account is working and that it's named "Outlook"
2. Enter the GUID that is shown in the admin account's Outlook profile into MNE for the CAS server for Powershell and the Exchange server for mail profile. Setting these to the GUID will allow you to apply the settings and save the configuration to the .ini file.
3. Edit the Exchange section of the .ini file. Add these 2 lines:
RPCUseAdminMapiProfile=1
RPCAdminMapiProfile=Outlook
And modify this line replacing the GUID with the FQDN of your CAS server.
ClientAccessServer=
4. Save the .ini file and restart MNE
