I have two Exchange 2013 CU5 Standard servers in a DAG. Both servers have both the CAS and Mailbox roles installed. The servers are running Server 2012 Standard.
Both servers have many of the following Event ID entries the Application log.
Log Name: Application
Source: MSExchangeApplicationLogic
Date: 5/15/2015 3:09:42 PM
Event ID: 3018
Task Category: Extension
Level: Error
Keywords: Classic
User: N/A
Computer: <serverFQDN>
Description:
Scenario: GetConfig.GetConfig. The request failed. Mailbox: Url: https://o15.officeredir.microsoft.com/r/rlidMktplcWSConfig15?CV=15.0.913.22&Client=WAC_Outlook Exception: System.Net.WebException: Unable to connect to the remote server ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 157.55.80.94:443
at System.Net.Sockets.Socket.EndConnect(IAsyncResult asyncResult)
at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Exception& exception)
--- End of inner exception stack trace ---
at System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult)
at Microsoft.Exchange.Data.ApplicationLogic.Extension.BaseAsyncOmexCommand.<>c__DisplayClass2.<EndGetResponseCallback>b__1()
Obviously Exchange is attempting to connect to Microsoft.com. Due to organisational requirements, that type of connection is not going be allowed. Please explain to me how to stop Exchange from attempting to make this connection. Thanks.