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The check is done by the vmtools at boot and if the version on the guest is mismatched with the one the host tells it to run it will get updated. The UC app doesn't check (to my knowledge) the hypervisor version.
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<div>-Ryan </div>
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<div>On Nov 4, 2014, at 10:33 AM, Anthony Holloway <<a href="mailto:avholloway+cisco-voip@gmail.com">avholloway+cisco-voip@gmail.com</a>> wrote:</div>
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<div dir="ltr">Thanks for the reply Ryan, I value your input. On the topic of the UC App, UCCX or otherwise, being able to detect your version of ESXi: do you think that happens, or is the check more shallow and just looking for VMWare under the hood?</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Mon, Nov 3, 2014 at 3:42 PM, Ryan Ratliff (rratliff) <span dir="ltr">
<<a href="mailto:rratliff@cisco.com" target="_blank">rratliff@cisco.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word">UCCX tends to be a few releases behind UCM in the OS that they run on so it's likely the vNIC issue UCM hit just hasn't affected UCCX (yet).
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<div>On the pre vs post upgrade, it's just how the teams tested it and decided to write it up. IMO as long as the changes are done before going back into production that's all that matters. The benefit to doing them pre is that a reboot will give the VM a
chance to upgrade vmtools automatically.<span class="HOEnZb"><font color="#888888"><br>
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<div><span class="HOEnZb"><font color="#888888"><br>
<div>-Ryan </div>
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<div>On Nov 3, 2014, at 2:23 PM, Anthony Holloway <<a href="mailto:avholloway+cisco-voip@gmail.com" target="_blank">avholloway+cisco-voip@gmail.com</a>> wrote:</div>
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<div dir="ltr">Thanks Brian. That's exactly the kind of information I'm after. I'm hoping someone can validate it with empirical evidence.
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<div>It worth mentioning the following, which I replied to another list user who direct messaged me, in regards to OVA settings during the upgrade.</div>
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<div><span style="font-family:arial,sans-serif;font-size:13px">According to the CUCM and CUC upgrade guides, you can change the OS before or after the upgrade.</span>
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<div style="font-family:arial,sans-serif;font-size:13px">Se the CUCM guide here where it states OS changes are a pre-upgrade task:</div>
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<div style="font-family:arial,sans-serif;font-size:13px"><a href="http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/upgrade/10_0_1/CUCM_BK_U4214F9D_00_upgrade-guide-cucm-100/CUCM_BK_U4214F9D_00_upgrade-guide-cucm-100_chapter_011.html#CUCM_TK_C9AFC8CC_00" target="_blank">http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/upgrade/10_0_1/CUCM_BK_U4214F9D_00_upgrade-guide-cucm-100/CUCM_BK_U4214F9D_00_upgrade-guide-cucm-100_chapter_011.html#CUCM_TK_C9AFC8CC_00</a></div>
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<div style="font-family:arial,sans-serif;font-size:13px">And here in the CUC guide where it's a post upgrade task:</div>
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<div style="font-family:arial,sans-serif;font-size:13px"><a href="http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/connection/10x/upgrade/guide/10xcucrugx/10xcucrug010.html#pgfId-1145799" target="_blank">http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/connection/10x/upgrade/guide/10xcucrugx/10xcucrug010.html#pgfId-1145799</a></div>
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<div style="font-family:arial,sans-serif;font-size:13px"><br>
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<div style="font-family:arial,sans-serif;font-size:13px">Interestingly enough, UCCX documentation has no mention of changing OS or Network Adapter. Not in the Upgrade Guide, Release Notes, nor the OVA Read Me. I have opened a request to have this reviewed,
it might be a miss or it might be the way it is.</div>
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<div style="font-family:arial,sans-serif;font-size:13px">Upgrade Guide</div>
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<div><font face="arial, sans-serif"><a href="http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cust_contact/contact_center/crs/express_10_5/install/guide/UCCX_BK_C2650101_00_cisco-unified-contact-center-express.html" target="_blank">http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cust_contact/contact_center/crs/express_10_5/install/guide/UCCX_BK_C2650101_00_cisco-unified-contact-center-express.html</a></font><br>
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<div><font face="arial, sans-serif">Release Notes</font></div>
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<div><font face="arial, sans-serif"><a href="http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cust_contact/contact_center/crs/express_10_5/release/docs/UCCX_BK_UBDB029E_00_uccx-release-notes-105.html" target="_blank">http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cust_contact/contact_center/crs/express_10_5/release/docs/UCCX_BK_UBDB029E_00_uccx-release-notes-105.html</a><br>
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<div><font face="arial, sans-serif"><a href="http://www.cisco.com/web/software/280840578/117186/UCCX_RN_10.5su1.pdf" target="_blank">http://www.cisco.com/web/software/280840578/117186/UCCX_RN_10.5su1.pdf</a><br>
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<div style="font-family:arial,sans-serif;font-size:13px">OVA Read Me</div>
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<div><font face="arial, sans-serif"><a href="http://www.cisco.com/web/software/283733053/114894/UCCX_v2.6_vmv8.ova_README.txt" target="_blank">http://www.cisco.com/web/software/283733053/114894/UCCX_v2.6_vmv8.ova_README.txt</a></font><br>
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<div class="gmail_extra"><br>
<div class="gmail_quote">On Mon, Nov 3, 2014 at 12:54 PM, Brian Meade <span dir="ltr">
<<a href="mailto:bmeade90@vt.edu" target="_blank">bmeade90@vt.edu</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">I just got through updating our internal UCCX to 9.0.2(SU2) to get ESXi 5.5 support prior to migrating to our 5.5 infrastructure.
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<div>I'm not sure if anything really changed to support 5.5 though outside of the BU just finally testing it.</div>
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<div class="gmail_extra"><br>
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<div>On Mon, Nov 3, 2014 at 12:25 PM, Anthony Holloway <span dir="ltr"><<a href="mailto:avholloway+cisco-voip@gmail.com" target="_blank">avholloway+cisco-voip@gmail.com</a>></span> wrote:<br>
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<div dir="ltr">All,
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<div>I'm planning an upgrade to UCCX 8.5(1)SU3 to 10.5(1)SU1 by way of 8.5(1)SU4. My ESXi is on 4.1 and I am planning to upgrade it to 5.5.</div>
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<div>The virtualization guide does not list ESXi 5.5 as supported for UCCX 8x.</div>
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<div><a href="http://docwiki.cisco.com/wiki/Virtualization_for_Unified_CCX#Version_8.5.28x.29" target="_blank">http://docwiki.cisco.com/wiki/Virtualization_for_Unified_CCX#Version_8.5.28x.29</a><br>
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<div>And, the virtualization guide also does not list ESXi 4.1 as supported for UCCX 10x.</div>
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<div><a href="http://docwiki.cisco.com/wiki/Virtualization_for_Unified_CCX#Version_10.5.28x.29" target="_blank">http://docwiki.cisco.com/wiki/Virtualization_for_Unified_CCX#Version_10.5.28x.29</a><br>
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<div>I am wondering if anyone has experience with this and if it really matters what order I do the upgrades in, considering that at the end of the maintenance window, I will be on UCCX 10.5(1)SU1 and ESXi 5.5; which is supported.</div>
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<div>My biggest concern is with the UCCX upgrade to 8.5(1)SU4 halting because of a hardware/software compatibility check while on ESXi 5.5, or likewise, UCCX 10.5(1)SU1 halting because of ESXi 4.1.</div>
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<div>This is also why the subject of this email says "UC Apps" and not "UCCX." I would suspect all UC Apps (VOS based ones anyway) upgrade in the same manner, when it comes to hardware/software checks.</div>
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<div>Actually, do UC Apps even check your version of ESXi? Or do they just see "VMware" and the hardware resources allocated?</div>
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<div>Thank you.<br>
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