One of the properties of the Web Part has an incorrect format. Windows SharePoint Services cannot deserialize the Web Part. Check the format of the properties and try again

Posted: August 16, 2011 in Web Part error
Tags: ,

Error on Webpart

One of the properties of the Web Part has an incorrect format. Windows SharePoint Services cannot deserialize the Web Part. Check the format of the properties and try again.

 

Resolution (2  Solutions)

1.   Check the Disk space on the server where the sharepoint site is hosted . After deleting the temp files perform an IISRESET. In my case deleting the temp files from C Drive on the server resolved the issue

 OR

2.   Make sure that the following permissions are configured correctly: – http://support.microsoft.com/kb/826786 

Windows directory
%WinDir%\Temp
Administrators – Full Control
SYSTEM – Full Control
STS_WPG – Read, Write
Network Service (for a domain controller only) – Read, Write

%WinDir%\system32\logfiles
STS Administrators – Full Control
SYSTEM – Full Control
STS_WPG – Read, Write
Network Service (for a domain controller only) – Read, Write

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