Exchange installation AD schema extension failed to debug

First, the ad environment is a Windows Server 2000 upgrade to Windows Server 2008R2, the upgrade has been more than half a year. Now the enterprise needs to install a set of Exchange2010 mail system, but there are some problems during the installation. Write the wrong experience of this Exchange2010 installation project to help people with similar situations.

All prerequisites are installed on TechNet to do: https://technet.microsoft.com/ZH-CN/library/bb691354 (v=exchg.141). aspx. After the installation is complete, click on Exchange Installer cheerfully, however ... Errors such as:

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Follow the prompts to say that the ad forest domain level in your environment is too low to upgrade to 2003 native mode and use the Setup/preparead command to extend the schema. OK, follow the prompts to upgrade the forest domain functional level.

Forest functional Level

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Domain Functional Level

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After the upgrade is complete, do a setup/ps extension. Error still exists ...

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Look back to the installed log, and still the same as the PowerShell hint above, what the hell?? Obviously raise the forest domain functional level, will also prompt the error .....

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Tangled for a long time, shoot AD, originally some old DC records, and then use Ntdsutil to clear it all out. Check that replication is OK, this is sure to succeed. I did not think the error is the same ....

Thought for a long time, still did not understand. Helpless, use the command line to view the ad's functional level

Import-module ActiveDirectory #导入ad模块

Get-addomain | FL Name,domainmode #查看域功能级别

Get-adforest | FL Name,forestmode #查看林功能级别

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command output to dumbfounded, the GUI is clearly forest functional level 2008, apart, immediately with the command to raise the forest functional level.

$currentForest = Get-adforest
Set-adforestmode-identity $currentForest-server $currentForest. Schemamaster-forestmode windows2008forest

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Run Setup/ps again, everything is fine .....

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After the upgrade schema is complete, the Exchange installation completes successfully. From this troubleshooting process can be concluded that the GUI is not necessarily true, seeing is not necessarily real, haha ....

This article is from the "Month Missing" blog, please be sure to keep this source http://yueque.blog.51cto.com/4580340/1762081

Exchange installation AD schema extension failed to debug