SP2007 - Time Zone

Central Administration > Application Management > Web Application General Settings > Default Time Zone

Site Collection > Site Settings > Regional Settings > Time Zone

SP2007 - Web Part Error: One of the properties of the Web Part has an incorrect format.

Web Part Error: 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.

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

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

SP2007 - web.config debug settings

SharePoint 2007 web.config debug settings

<configuration>
  <SharePoint>
    <SafeMode CallStack="true" />
  </SharePoint>
  <system.web>
    <customErrors mode="Off" />
    <compilation debug="true" />
  </system.web>
</configuration>

SP2007 - The current identity (NT AUTHORITY\NETWORK SERVICE) does not have write access to Temporary ASP.NET Files

"The current identity (NT AUTHORITY\NETWORK SERVICE) does not have write access to Temporary ASP.NET Files"

aspnet_regiis -ga "NT AUTHORITY\NETWORK SERVICE"