If you’re finding that accessing WebDAV shares is running extremely slowly (to the point of being almost unusable), check that the following setting is unticked in your Internet Explorer Options:
Internet Options > Connections > LAN settings > Automatic configuration > Automatically detect settings
IE LAN Settings dialog
I had this setting on on my machine (running IE9) and I found that disabling it made the world of difference to performance – my WebDAV drives became as snappy as anything.
For the record, I’m running Windows 7 x64 and haven’t tried (or experienced) this on any other machines.
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Thank you so much for this post. We are running Oracle Portal 10.1.4 and your post helped us correct the noted problem.
The reason is that *genius* Explorer.exe runs a __TIMEOUT__-based proxy scan before EACH WebDAV operation. (this stuff is even documented on MDN)
–Good going microsoft!
(the 1 good thing that comes out of it is, if your suddenly switching to a proxy while doing some WebDAV stuff, it may still work!)
You saved my life 😉 Thx.
Really nice work. the only way to prevent sharepoint and millions of euros for bill…
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Speeding up WebDAV performance