![]() ![]() Telnet from the affected Workstation to your outlook anywhere external URL and ensure that the Outlook Anywhere URL is accessible on port 443.Ĭheck the Outlook Anywhere authentication settings.By default it should be NTLM or it can be NTLM & Basic Authentication settings Now lets look into troubleshooting Outlook connectivity issues in both the scenarios: By default it will be disabled and we need to enable them. Now run the command to check if MAPIhttp is enabled. If you have MAPI enabled then please run the command Get-MapiVirtualDirectory and check the Mapi internal and external URL ![]() ![]() I have collected few steps which will be useful if we come across these kind of scenarios in our environment :īelow are the things that can be checked during troubleshooting outlook connectivity issues in Exchange 2013 :ġ) Check if you have MAPI over http or RPC over http enabled in your organization. ģ) From Exchange 2013 we do not have the direct RPC over TCP connections at all and all connections should come only through RPC over HTTPS (Outlook Anywhere) or MAPI over HTTP if we have Exchange 2013 SP1 with outlook 2013 SP1 and mapi over http enabled. Now lets see a small summary of Outlook connections from Exchange 2007 :ġ) In Exchange 2007 though the other client connections was handled by Client Access server but still the MAPI connections were established directly to the mailbox server.Ģ) In Exchange 2010 all the client connections including RPC went through the Client Access Server since the new service RPC client access service was introduced. In earlier versions of exchange prior to Exchange 2013 troubleshooting outlook connectivity issues should be classified into categories according to the versions of exchange type of connections that we have configured in our environment. ![]()
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