Can anyone help me to understand this error message and how to fix it? I've received this a few times over the last few hours on my front end 2013 Exchange server.
Log Name: Application
Source: MSExchangeFrontEndTransport
Date: 9/20/2013 2:46:31 PM
Event ID: 2030
Task Category: SmtpSend
Level: Error
Keywords: Classic
User: N/A
Computer: frontendserver
Description:
The Ehlo options for the client proxy target 10.100.10.173 did not match while setting up proxy for user domain/user on inbound session 08D084466731C660. The mismatched settings might cause some messages to get rejected. Continue with proxying even though there
is a mismatch. The critical non-matching options were maxSize. The non-critical non-matching options were .