Saturday, September 28, 2013

Configuration File is not well-formed XML

Today, I found one of my Exchange 2013 servers start generating Event ID 2001

It turns out that Exchange has corrupted the applicationHost.config file. If you try to open the file, you will see corrupted garbage characters all over the place.

Luckily I have got another Exchange 2013 server running on DAG, so I just copy the file applicationHost.config from C:\Windows\System32\inetsrv\config folder and replace the corrupted one then do IIS Reset

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