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I found that it was a user with a long list of sub folders in mailbox, all set to push sync with exchange. I undid this from her phone, and the logs immediately stopped growing as fast. They are averaging now about 40MB per day. 
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I found that it was a user with a long list of sub folders in mailbox, all set to push sync with exchange. I undid this from her phone, and the logs immediately stopped growing as fast. They are averaging now about 40MB per day.

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I'm trying to find the reason why IIS W3SVC1 logs are getting so large. We have about 200 users with mobile phones, yet these logs are getting 1024MB on a daily basis? is it some sort of special logging turned on in exchange causing this? <br />
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I'm trying to find a way to prevent them from growing large so quickly. <br />
C:\WINDOWS\System32\LogFil<wbr />es\W3SVC1
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I'm trying to find the reason why IIS W3SVC1 logs are getting so large. We have about 200 users with mobile phones, yet these logs are getting 1024MB on a daily basis? is it some sort of special logging turned on in exchange causing this? 

I'm trying to find a way to prevent them from growing large so quickly. 
C:\WINDOWS\System32\LogFiles\W3SVC1

Exchange ActiveSync Huge logs

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

IIS is Internet Information Services, the web server included with Windows Server operating systems. All current versions are built on a modular architecture; modules can be added or removed individually so that those required for specific functionality are installed. The full installation of IIS includes HTTP, security, content, compression, caching, logging and diagnostics.