Recently, I came across the error below when attempting to open a large document library in Explorer View :
Some/SharePoint/Folder is not accessible. You might not have permission to use this network resource. Contact that administrator of this server to find out if you have access permissions
Seeing as I am the administrator of the server, the site collection, the web application and the entire farm itself, I think I pass the permissions test. It turns out that the real culprit has absolutely nothing to do permissions in any way.
The problem was that Explorer View uses WebDAV in order to populate itself and the document library I was viewing has over 20,000 items which resulted in a call to the server that returned almost 17 MB of data. The default that is allowed for WebDAV in Windows XP and up is 1 MB and it is thus only processing…
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