Sharing some basic information that may take a while to find on the web-
SharePoint 2010 guidelines for Site names, subsite names, or site group names
•You cannot use the following characters anywhere in a site name, in a subsite name, or in a site or Active Directory group name:
•You cannot start a site name, subsite name, or a site group name with an underscore (_) character or with the period character.
•You cannot use the period character consecutively in the middle of a site name, a subsite name, or a site group name.
•You cannot use the period character at the end of a site name, a subsite name, or a site group name.
Folder names
•You cannot use the following characters anywhere in a folder name or a server name:
•You cannot use the period character consecutively in the middle of a folder name.
•You cannot use the period character at the end of a folder name.
•You cannot start a folder name with the period character.
•You cannot use the following characters anywhere in a file name:
•You cannot use the period character consecutively in the middle of a file name.
•You cannot use the period character at the end of a file name.
•You cannot start a file name with the period character.
•In addition, file names and folder names may not end with:
http://support.microsoft.com/kb/905231
- tilde (~)
- number sign (#)
- percent (%)
- ampersand (&)
- asterisk (*)
- braces ({ })
- backslash (\)
- colon (:)
- angle brackets (<,>)
- question mark (?)
- slash (/)
- plus sign (+)
- pipe (||)
- quotation mark (")
- tilde (~)
- number sign (#)
- percent (%)
- ampersand ("&")
- asterisk (*)
- braces ({ })
- backslash (\)
- colon (:)
- angle brackets "<",">")
- question mark (?)
- slash (/)
- plus sign (+)
- pipe ("||")
- quotation mark (")
File names
- tilde (~)
- number sign (#)
- percent (%)
- ampersand ("&")
- asterisk (*)
- braces ({ })
- backslash (\)
- colon (:)
- angle brackets "<",">")
- question mark (?)
- slash (/)
- plus sign (+)
- pipe ("||")
- quotation mark (")
- .files
- _files
- -Dateien
- _fichiers
- _bestanden
- _file
- _archivos
- -filer
- _tiedostot
- _pliki
- _soubory
- _elemei
- _ficheiros
- _arquivos
- _dosyalar
- _datoteke
- _fitxers
- _failid
- _fails
- _bylos
- _fajlovi
- _fitxategiak
http://support.microsoft.com/kb/905231
