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    <title>topic Synchronizing Two ACS 4.1 servers in Network Access Control</title>
    <link>https://community.cisco.com/t5/network-access-control/synchronizing-two-acs-4-1-servers/m-p/795525#M419816</link>
    <description>&lt;P&gt;I am installing a new ACS server 4.1 Windows 2003 server. I will be decommisioning the older one later. I am looking for any documentation that shows how to synchronize and/or migrate the information from the old server to the new.&lt;/P&gt;</description>
    <pubDate>Sun, 10 Mar 2019 22:18:33 GMT</pubDate>
    <dc:creator>GREGORY JACKSON</dc:creator>
    <dc:date>2019-03-10T22:18:33Z</dc:date>
    <item>
      <title>Synchronizing Two ACS 4.1 servers</title>
      <link>https://community.cisco.com/t5/network-access-control/synchronizing-two-acs-4-1-servers/m-p/795525#M419816</link>
      <description>&lt;P&gt;I am installing a new ACS server 4.1 Windows 2003 server. I will be decommisioning the older one later. I am looking for any documentation that shows how to synchronize and/or migrate the information from the old server to the new.&lt;/P&gt;</description>
      <pubDate>Sun, 10 Mar 2019 22:18:33 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-access-control/synchronizing-two-acs-4-1-servers/m-p/795525#M419816</guid>
      <dc:creator>GREGORY JACKSON</dc:creator>
      <dc:date>2019-03-10T22:18:33Z</dc:date>
    </item>
    <item>
      <title>Re: Synchronizing Two ACS 4.1 servers</title>
      <link>https://community.cisco.com/t5/network-access-control/synchronizing-two-acs-4-1-servers/m-p/795526#M419817</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;You cannot replicate or backup/restore between dissimmilar versions of ACS.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;The only way to migrate information is to&lt;/P&gt;&lt;P&gt;1.Take backup of old server&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;2. install same old version of ACS on new server.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;3. restore Backup on this server&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;4. upgrade this server to ACS v4.1,&lt;/P&gt;&lt;P&gt;ACS 4.1 is only upgradable from ACS v3.3 or v4.0, any other version has to be upgraded to v3.3 before upgrading to v4.1&lt;/P&gt;&lt;P&gt;You can check following link for upgrade requirements:&lt;/P&gt;&lt;P&gt;&lt;A class="jive-link-custom" href="http://www.cisco.com/univercd/cc/td/doc/product/access/acs_soft/csacs4nt/acs41/igwin41/install.htm#wp1052888" target="_blank"&gt;http://www.cisco.com/univercd/cc/td/doc/product/access/acs_soft/csacs4nt/acs41/igwin41/install.htm#wp1052888&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;5. Backup the database&lt;/P&gt;&lt;P&gt;6. Restore it on new server&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Hope this Helps&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;~Rohit&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 31 Jul 2007 23:26:02 GMT</pubDate>
      <guid>https://community.cisco.com/t5/network-access-control/synchronizing-two-acs-4-1-servers/m-p/795526#M419817</guid>
      <dc:creator>rochopra</dc:creator>
      <dc:date>2007-07-31T23:26:02Z</dc:date>
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