topic Re: Outlook to Exchange : traffic drops in General Topics https://community.checkpoint.com/t5/General-Topics/Outlook-to-Exchange-traffic-drops/m-p/15114#M2565 <HTML><HEAD></HEAD><BODY><P>Yeah, I allready pointed the customer to that one. I would expect that if you use MAPI over HTTP(S) that this would not be an issue anymore. I must admit I hardly see this sort of Exchange issues anymore.</P></BODY></HTML> Thu, 30 Nov 2017 12:17:55 GMT Hugo_vd_Kooij 2017-11-30T12:17:55Z Outlook to Exchange : traffic drops https://community.checkpoint.com/t5/General-Topics/Outlook-to-Exchange-traffic-drops/m-p/15112#M2563 <HTML><HEAD></HEAD><BODY><P>I have seen various installation where Outlook conencts to Exchange and the customer complains about inactivity issues on the clients. Mostly after the lunch break.</P><P></P><P>It seems to be related to the use of plain MAPI over MAPI over HTTP. It only seems to be an issue with plain MAPI traffic.</P><P></P><P>Does anyone have experience with similar issues and did you find a way to curtail the use of random TCP high ports from Exchange back the Outlook client?</P></BODY></HTML> Wed, 29 Nov 2017 10:30:49 GMT https://community.checkpoint.com/t5/General-Topics/Outlook-to-Exchange-traffic-drops/m-p/15112#M2563 Hugo_vd_Kooij 2017-11-29T10:30:49Z Re: Outlook to Exchange : traffic drops https://community.checkpoint.com/t5/General-Topics/Outlook-to-Exchange-traffic-drops/m-p/15113#M2564 <HTML><HEAD></HEAD><BODY><P>Maybe fix the TCP ports, with something like:&nbsp;<A class="link-titled" href="https://social.technet.microsoft.com/wiki/contents/articles/864.configure-static-rpc-ports-on-an-exchange-2010-client-access-server.aspx" title="https://social.technet.microsoft.com/wiki/contents/articles/864.configure-static-rpc-ports-on-an-exchange-2010-client-access-server.aspx">https://social.technet.microsoft.com/wiki/contents/articles/864.configure-static-rpc-ports-on-an-exchange-2010-client-ac…</A>&nbsp;</P></BODY></HTML> Thu, 30 Nov 2017 00:51:09 GMT https://community.checkpoint.com/t5/General-Topics/Outlook-to-Exchange-traffic-drops/m-p/15113#M2564 PhoneBoy 2017-11-30T00:51:09Z Re: Outlook to Exchange : traffic drops https://community.checkpoint.com/t5/General-Topics/Outlook-to-Exchange-traffic-drops/m-p/15114#M2565 <HTML><HEAD></HEAD><BODY><P>Yeah, I allready pointed the customer to that one. I would expect that if you use MAPI over HTTP(S) that this would not be an issue anymore. I must admit I hardly see this sort of Exchange issues anymore.</P></BODY></HTML> Thu, 30 Nov 2017 12:17:55 GMT https://community.checkpoint.com/t5/General-Topics/Outlook-to-Exchange-traffic-drops/m-p/15114#M2565 Hugo_vd_Kooij 2017-11-30T12:17:55Z