Go to the following website to find and download the latest RU patch.
Exchange Server and Update Rollup Build numbers-technet articles-united States (中文版)-TechNet Wiki Http://social.technet.microsoft.com/wiki/contents/articles/240.exchange-server-and-update-rollup-build-numbers.aspx
RU12 is as follows.
Download Update Rollup for Exchange SP3 (KB3096066) from official Microsoft Download Center https://www.microsoft.com/en-us/download/details.aspx?id=50359
Start the installation of RU11.
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For detailed installation steps and precautions, you can refer to my previous article:
incrementally upgrade Exchange SP1/SP2/SP3/SP3RU8V2-the technology column of Zeng Xin-51CTO technology Blog http://543925535.blog.51cto.com/639838/1671141
After the installation is complete,.
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Note: In most cases, restarting the server is required after the deployment is complete.
After all the servers are installed to complete RU, we run a command check to see that the upgrade was successful.
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This article from "Zeng Hung Xin Technical column" blog, declined to reprint!
Exchange 2010 and Exchange 2016 coexistence deployment-2: Upgrade Exchange 2010 to SP3 RU12