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    <title>topic Re: ESX 3.5 to ESX 5 Upgrade. in ESXi Discussions</title>
    <link>https://communities.vmware.com/t5/ESXi-Discussions/ESX-3-5-to-ESX-5-Upgrade/m-p/2641826#M252389</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hii,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I would suggest you to upgrade old servers using vCenter Update Manger,&lt;/P&gt;&lt;P&gt;it is very easy to upgrade with a min downtime.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;You can follow this process upgrade your vCenter server to 5.x --&amp;gt; followed by update manager (same version for that of vCenter) --&amp;gt; vSphere client&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; --&amp;gt;VMtools &amp;amp;VmHardware upgrade --&amp;gt; and lastly ESXi Hosts&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Be sure to backup the vCenter &amp;amp; Update Manager Database. And in case you're running 32-bit windows, you will need to upgrade to 64-bit OS for installing vCenter 5. I suggest you to go through the below whitepaper atleast once prior starting the upgrade&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;A class="jive-link-external-small" href="http://www.vmware.com/files/pdf/techpaper/VMware-vSphere-50-Upgrade-Best-Practices-Technical-White-Paper.pdf"&gt;http://www.vmware.com/files/pdf/techpaper/VMware-vSphere-50-Upgrade-Best-Practices-Technical-White-Paper.pdf&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;For upgrading using VUM, check out this link.&lt;/P&gt;&lt;P&gt;&lt;A class="jive-link-external-small" href="http://www.vmware.com/products/vsphere/upgrade-center/upgrade.html"&gt;http://www.vmware.com/products/vsphere/upgrade-center/upgrade.html&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;and this article might help you.&lt;/P&gt;&lt;P&gt;&lt;A class="jive-link-external-small" href="http://www.ntpro.nl/blog/archives/1785-vSphere-5-video-Migrating-from-ESX-4.1-to-ESXi-5.0.html"&gt;http://www.ntpro.nl/blog/archives/1785-vSphere-5-video-Migrating-from-ESX-4.1-to-ESXi-5.0.html&lt;/A&gt;.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Mon, 09 Apr 2012 11:28:17 GMT</pubDate>
    <dc:creator>nikheelkumar16</dc:creator>
    <dc:date>2012-04-09T11:28:17Z</dc:date>
    <item>
      <title>ESX 3.5 to ESX 5 Upgrade.</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/ESX-3-5-to-ESX-5-Upgrade/m-p/2641823#M252386</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;HI ALL.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I ahve a project coming up to upgrade my current ESX 3.5 environment to vSphere 5. both environments will be up at the same time ( new hardware etc). If possible i cant ahve any down time.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Current Environment:&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;2 ESX 3,5 Hosts&lt;/P&gt;&lt;P&gt;Fiber Channel Storage, EMC CX4-120&lt;/P&gt;&lt;P&gt;about 25 VM's (including Exchange 2003, DC's and 3 SQL servers)&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;New Environment&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;2 ESXi5 hosts&lt;/P&gt;&lt;P&gt;vSphere 5 Enterprise License&lt;/P&gt;&lt;P&gt;iSCSI Storage, EMX VNX&lt;/P&gt;&lt;P&gt;backup with Datadomain and Networker.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;As i mentioned before, the new environment will be built along side the old one, so i need to HOT migrate the guests over.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Whats the best way to do this? can i add the old hosts to the iSCSI network and vStorage Motion (is it even possible on 3.5, also should i be concerned about moving Exchange 2003 and SQL like this)&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;is my only alternative p2v. if i am P2Ving should i do a cold migration of exchange and the SQl servers.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;if possible i would like to uitilise VMFS5 and the unified 1 mb block size.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I am also planning on using the vCenter Virtual appliace. whats the down side to using this with 2 hosts for a SMB.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;thanks in advance!!!&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 06 Apr 2012 15:56:55 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/ESX-3-5-to-ESX-5-Upgrade/m-p/2641823#M252386</guid>
      <dc:creator>biggieinternati</dc:creator>
      <dc:date>2012-04-06T15:56:55Z</dc:date>
    </item>
    <item>
      <title>Re: ESX 3.5 to ESX 5 Upgrade.</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/ESX-3-5-to-ESX-5-Upgrade/m-p/2641824#M252387</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;While there are many ways of doing this, here is the method I personally prefer as it doesn't require using converter.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;OL start="1"&gt;&lt;LI&gt;Point your new vCenter 5 instance to the 3.5 licensing.&amp;nbsp; Go to Administration&amp;gt;vCenter Server Settings.&amp;nbsp; Under Licensing&amp;gt;License Server, enter the name of your 3.5 vCenter server.&amp;nbsp; Should look something like &lt;EM&gt;&lt;A href="mailto:27000@myoldvcenter.mydomain.com"&gt;27000@myoldvcenter.mydomain.com&lt;/A&gt;&lt;/EM&gt;&lt;BR /&gt;&lt;/LI&gt;&lt;LI&gt;Configure your old LUNs and vSwitches on the new ESX hosts&lt;BR /&gt;&lt;/LI&gt;&lt;LI&gt;In the old VIC, remove your ESX 3.5 hosts from any clusters then disconnect them from the 3.5 vCenter.&lt;BR /&gt;&lt;/LI&gt;&lt;LI&gt;Add the old ESX hosts to the new VCenter&lt;BR /&gt;&lt;/LI&gt;&lt;LI&gt;VMotion your VMs to the new ESX hosts.&amp;nbsp; At this point your are still left with old 3.5 VMs and VMFS.&lt;BR /&gt;&lt;/LI&gt;&lt;LI&gt;Next steps will require brief downtime depending upon the size of your VMDKs.&amp;nbsp; Do a "hardware upgrade" on the VMs and reboot them&lt;BR /&gt;&lt;/LI&gt;&lt;LI&gt;VMOTION Storage to new LUNs with new VMFS&lt;BR /&gt;&lt;/LI&gt;&lt;LI&gt;Done!&lt;BR /&gt;&lt;/LI&gt;&lt;/OL&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Gotcha's to watch for while migrating:&lt;/P&gt;&lt;UL&gt;&lt;LI&gt;New MAC Addresses (if you use converter or other methods)&lt;BR /&gt;&lt;/LI&gt;&lt;LI&gt;When VMotion as described above, you may have to edit each VM to update the network settings especially if you are moving to a distributed switch&lt;BR /&gt;&lt;/LI&gt;&lt;LI&gt;If your ESX 3.5 hosts are unstable and/or you don't remove them from your old clusters prior to disconnecting them, they may crash&lt;BR /&gt;&lt;/LI&gt;&lt;/UL&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 06 Apr 2012 17:55:36 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/ESX-3-5-to-ESX-5-Upgrade/m-p/2641824#M252387</guid>
      <dc:creator>JedwardsUSVA</dc:creator>
      <dc:date>2012-04-06T17:55:36Z</dc:date>
    </item>
    <item>
      <title>Re: ESX 3.5 to ESX 5 Upgrade.</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/ESX-3-5-to-ESX-5-Upgrade/m-p/2641825#M252388</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;One note to the above steps:&amp;nbsp; Upgrade the VMTools before upgrading the VMHardware.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 06 Apr 2012 19:59:37 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/ESX-3-5-to-ESX-5-Upgrade/m-p/2641825#M252388</guid>
      <dc:creator>TBKing</dc:creator>
      <dc:date>2012-04-06T19:59:37Z</dc:date>
    </item>
    <item>
      <title>Re: ESX 3.5 to ESX 5 Upgrade.</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/ESX-3-5-to-ESX-5-Upgrade/m-p/2641826#M252389</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hii,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I would suggest you to upgrade old servers using vCenter Update Manger,&lt;/P&gt;&lt;P&gt;it is very easy to upgrade with a min downtime.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;You can follow this process upgrade your vCenter server to 5.x --&amp;gt; followed by update manager (same version for that of vCenter) --&amp;gt; vSphere client&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; --&amp;gt;VMtools &amp;amp;VmHardware upgrade --&amp;gt; and lastly ESXi Hosts&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Be sure to backup the vCenter &amp;amp; Update Manager Database. And in case you're running 32-bit windows, you will need to upgrade to 64-bit OS for installing vCenter 5. I suggest you to go through the below whitepaper atleast once prior starting the upgrade&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;A class="jive-link-external-small" href="http://www.vmware.com/files/pdf/techpaper/VMware-vSphere-50-Upgrade-Best-Practices-Technical-White-Paper.pdf"&gt;http://www.vmware.com/files/pdf/techpaper/VMware-vSphere-50-Upgrade-Best-Practices-Technical-White-Paper.pdf&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;For upgrading using VUM, check out this link.&lt;/P&gt;&lt;P&gt;&lt;A class="jive-link-external-small" href="http://www.vmware.com/products/vsphere/upgrade-center/upgrade.html"&gt;http://www.vmware.com/products/vsphere/upgrade-center/upgrade.html&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;and this article might help you.&lt;/P&gt;&lt;P&gt;&lt;A class="jive-link-external-small" href="http://www.ntpro.nl/blog/archives/1785-vSphere-5-video-Migrating-from-ESX-4.1-to-ESXi-5.0.html"&gt;http://www.ntpro.nl/blog/archives/1785-vSphere-5-video-Migrating-from-ESX-4.1-to-ESXi-5.0.html&lt;/A&gt;.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 09 Apr 2012 11:28:17 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/ESX-3-5-to-ESX-5-Upgrade/m-p/2641826#M252389</guid>
      <dc:creator>nikheelkumar16</dc:creator>
      <dc:date>2012-04-09T11:28:17Z</dc:date>
    </item>
    <item>
      <title>Re: ESX 3.5 to ESX 5 Upgrade.</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/ESX-3-5-to-ESX-5-Upgrade/m-p/2641827#M252390</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Thanks for your help guys!!!.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Are there any instruction avaliable for adding the old VIC to the licensing section on the new vCenter. Any gotcha's?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Thanks again!&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 09 Apr 2012 13:03:45 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/ESX-3-5-to-ESX-5-Upgrade/m-p/2641827#M252390</guid>
      <dc:creator>biggieinternati</dc:creator>
      <dc:date>2012-04-09T13:03:45Z</dc:date>
    </item>
    <item>
      <title>Re: ESX 3.5 to ESX 5 Upgrade.</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/ESX-3-5-to-ESX-5-Upgrade/m-p/2641828#M252391</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;No it just allows you to add those servers to VCenter.&amp;nbsp; They just have to be removed from the old one.&amp;nbsp;&amp;nbsp; &lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 09 Apr 2012 14:26:44 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/ESX-3-5-to-ESX-5-Upgrade/m-p/2641828#M252391</guid>
      <dc:creator>JedwardsUSVA</dc:creator>
      <dc:date>2012-04-09T14:26:44Z</dc:date>
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