Kentico CMS 7.0 Developer's Guide

Requirements and limitations

Requirements and limitations

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Requirements and limitations

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The following requirements must be met on the server- and the client-side in order for WebDAV integration to be functional in Kentico CMS:


Server-side requirements


Windows authentication must be enabled in IIS and the CMS must be configured to use this type of authentication.

If you are using an older version of IIS than 7.0, the Kentico CMS website must be installed in the root of the server. This is necessary because Microsoft Office submits configuration requests to the site root and requires the server to respond properly. If the website is not installed to the root, Microsoft Office will open its associated documents as read-only.

If you are using IIS 7.0 or higher, the website needn't be installed in the root - it can also be installed in a virtual directory.

IIS WebDAV is not compatible with Kentico CMS WebDAV integration. If you have WebDAV enabled in your IIS, Kentico CMS WebDAV integration will not be functional.


The Configuration for WebDAV topic explains how the required configuration can be achieved.


Client-side requirements


WebDAV can be used only in Internet Explorer 6 or higher. No other web browsers are currently supported.

Client applications with WebDAV support for a particular file types need to be installed on the client machine. E.g. Microsoft Office 2003 or higher or Paint and Notepad in Windows 7 support editing of associated file types using WebDAV.

Matching (x86) or (x64) versions of both Internet Explorer and Microsoft Office must be installed. In other words, to be able to open documents using WebDAV in Internet Explorer (x86), Microsoft Office (x86) must be installed on the client computer. For Internet Explorer (x64), you need to have Microsoft Office (x64) installed.

The WebClient service needs to be installed and running in order for WebDav clients to be able to connect to the server. For more information on how to install and run the service on different versions of Windows, visit the Installing and running WebClient service topic.




Editable file size limit


By default, WebDAV editing is only functional with files smaller than 50 MB.


In case that a user needed to edit larger files using WebDAV, they would need to go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WebClient\Parameters in their Windows registry and adjust the FileSizeLimitInBytes key to the required value.





Forbidden characters in file names


WebDAV does not support uploading and editing of files whose names contain the following characters: %, &, +. Uploading and editing of such files using WebDAV may result in unwanted behavior and is not recommended.