<div dir="ltr"><div><div><div>Hello,<br><br></div>It is indeed possible. You use one cluster as a sort of "hub" cluster. Then, just make sure the users in each cluster have the Home Cluster parameter checked, but make sure it is only checked in one cluster. Also, you have to make sure you are using ILS and have peer links in IM&P between all the clusters. If all the Jabber users can talk to each other today in all the various clusters, then you're already grand for using Expressway in that scenario.<br><br></div>Thanks,<br><br></div>James<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Mar 12, 2017 at 10:30 AM, Ahmed Abd EL-Rahman <span dir="ltr"><<a href="mailto:Ahmed.Rahman@bmbgroup.com" target="_blank">Ahmed.Rahman@bmbgroup.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal">Hi Gents,<u></u><u></u></p>
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<p class="MsoNormal">If we have 4 standalone clusters each of them has its own CUCM and IM&P servers (version 11.5), I’d like to know if it’s possible to have only 1 Expressway C and E system to serve all the 4 cluster with MRA service ?<u></u><u></u></p>
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<p class="MsoNormal">Taking into consideration that all the 4 clusters are using the same DNS system and same domain name (<a href="http://company.com" target="_blank">company.com</a>).<u></u><u></u></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#383e4c">Best Regards<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Verdana",sans-serif;color:#1f497d"> </span><span style="font-family:"Verdana",sans-serif;color:black"><u></u><u></u></span></p>
<p class="MsoNormal" style="margin-bottom:1.0pt"><span style="font-family:"Verdana Bold";color:#383e4c">Ahmed Abd EL-Rahman<u></u><u></u></span></p>
<p class="MsoNormal" style="margin-bottom:1.0pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#383e4c">Senior Network Engineer</span><span style="color:#44546a"><u></u><u></u></span></p>
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