It appears that 'MSExchangeMailSubmission' on server {2} is successfully submitting messages to at least one Hub Transport server role computer, but there have been one or more submission failures.
is running on server {2} with a rule to block port {9} and the '{5}' process is not excluded from this rule. Messages to ...
is the IP address of a remote server to which server {2} is possibly having trouble routing messages through a SMTP Connector. ...
ISAPI extension {1} in group {0} was not found, and its status cannot be changed. Please make sure this ISAPI extension (IIS ...
IsDefault parameter cannot accept a "false" argument. You need to specify another offline address book as the default one ...
It appears that 'MSExchangeMailSubmission' on server {2} is successfully submitting messages to at least one Hub Transport ...
It appears that a missing working directory for the store on server {2} may be causing the 'Local delivery' queue issue at ...
It appears that content conversion failures may be causing the 'Local delivery' queue issue at server {2}. Follow Microsoft ...
It appears that earlier categorization attempts on server {2} failed due to retryable error(s). Currently, the number of ...
It appears that messages are being submitted to the categorizer of server {2} faster than it can process. Please check if ...