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| | | #REDIRECT [[Zimbra_NG_Modules/Things_To_Know_Before_Upgrading]] |
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| <b>Upgrading from version between 8.0 to 8.6</b>
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| Upgrading to 8.8 is supported but there are a number of items you need to be aware of:
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| * 8.8 requires the installation of the proxy server on all setups. In most cases a single server installation does not have proxy installed and configured. You run the following command to see if proxy is installed and enable.
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| [zimbra@Server ~]$ zmprov gs `zmhostname` |grep zimbraService |grep proxy
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| zimbraServiceEnabled: proxy
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| zimbraServiceInstalled: proxy
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| If proxy shows as installed and enabled then proxy is running within your system. If not, then you will need to enable proxy by following the [[Enabling_Zimbra_Proxy_and_memcached|'''Enabling Zimbra Proxy and memcached''']] wiki.
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| <b>Upgrading from version between 6.0.8 to 7.2.x </b>
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| In most cases, Zimbra Support recommends doing a migration to new system
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| <b>Migration</b>
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