EGroupware mit PHP PDO IIS

Checking the eGroupWare Installation
Passed Checking required PHP version 5.1+ (recommended 5.2+): 5.2.13 ==> True
Passed Checking php.ini: safe_mode = Off: ini_get('safe_mode')='' = Off  
Passed Checking php.ini: magic_quotes_runtime = Off: ini_get('magic_quotes_runtime')='' = Off  
Passed Checking php.ini: register_globals = Off: ini_get('register_globals')='' = Off  
Passed Checking php.ini: display_errors = Off: ini_get('display_errors')='' = Off  
Passed Checking php.ini: memory_limit >= 24M: ini_get('memory_limit')='24M'  
Passed Checking php.ini: max_execution_time >= 30: ini_get('max_execution_time')='30'  
Passed Checking php.ini: file_uploads = On: ini_get('file_uploads')='1' = On  
Passed Checking php.ini: upload_max_filesize >= 8M: ini_get('upload_max_filesize')='16M'  
Passed Checking php.ini: post_max_size >= 8M: ini_get('post_max_size')='8M'  
Passed Checking php.ini: include_path contain .: ini_get('include_path')='.;C:\php5\pear'  
Warning Checking php.ini: mbstring.func_overload = 7: ini_get('mbstring.func_overload')=''  
The mbstring.func_overload = 7 is needed to fully support unicode (utf-8) or other multibyte-charsets.
Passed Checking php.ini: magic_quotes_gpc = Off: ini_get('magic_quotes_gpc')='' = Off  
Passed Checking extension session is loaded or loadable: True
Warning Checking extension pdo is loaded or loadable: False
The pdo extension is needed from: .
Warning Checking extension mysql is loaded or loadable: False
The mysql extension is needed, if you plan to use a MySQL database.
Warning Checking extension pdo_mysql is loaded or loadable: False
The pdo_mysql extension is needed, if you plan to use a MySQL database.
Warning Checking extension pgsql is loaded or loadable: False
The pgsql extension is needed, if you plan to use a pgSQL database.
Warning Checking extension pdo_pgsql is loaded or loadable: False
The pdo_pgsql extension is needed, if you plan to use a pgSQL database.
Warning Checking extension mssql is loaded or loadable: False
The mssql extension is needed, if you plan to use a MsSQL database.
Warning Checking extension pdo_dblib is loaded or loadable: False
The pdo_dblib extension is needed, if you plan to use a MsSQL database.
Passed Checking extension odbc is loaded or loadable: True
Warning Checking extension pdo_odbc is loaded or loadable: False
The pdo_odbc extension is needed, if you plan to use a MaxDB, MsSQL or Oracle database.
Warning Checking extension oci8 is loaded or loadable: False
The oci extension is needed, if you plan to use a Oracle database.
Warning Checking extension pdo_oci is loaded or loadable: False
The pdo_oci extension is needed, if you plan to use a Oracle database.
Warning Checking extension mbstring is loaded or loadable: False
The mbstring extension is needed to fully support unicode (utf-8) or other multibyte-charsets.
Warning Checking extension ldap is loaded or loadable: False
The ldap extension is needed, if you use ldap as account or contact storage, authenticate against ldap or active directory. It's not needed for a standard SQL installation.  
Passed Checking extension ctype is loaded or loadable: True
Warning Checking extension imap is loaded or loadable: False
The imap extension is needed from: EMailAdmin, felamimail, tracker.
Passed Checking extension dom is loaded or loadable: True
Warning Checking PEAR is installed: False
PEAR is needed by: Calendar (iCal import+export), EMailAdmin, felamimail, news_admin, SyncML. PEAR (pear.php.net) is a PHP repository and is usually in a package called php-pear.
Warning Checking PEAR::HTTP_WebDAV_Server is installed: False
PEAR::HTTP_WebDAV_Server is needed by: WebDAV. PEAR (pear.php.net) is a PHP repository and is usually in a package called php-pear.
Warning Checking PEAR::Auth_SASL is installed: False
PEAR::Auth_SASL is needed by: EMailAdmin, felamimail. PEAR (pear.php.net) is a PHP repository and is usually in a package called php-pear.
Warning Checking PEAR::Net_IMAP is installed: False
PEAR::Net_IMAP is needed by: EMailAdmin, felamimail. PEAR (pear.php.net) is a PHP repository and is usually in a package called php-pear.
Warning Checking PEAR::Net_Sieve is installed: False
PEAR::Net_Sieve is needed by: felamimail. PEAR (pear.php.net) is a PHP repository and is usually in a package called php-pear.
Warning Checking PEAR::XML_Feed_Parser is installed: False
PEAR::XML_Feed_Parser is needed by: news_admin. PEAR (pear.php.net) is a PHP repository and is usually in a package called php-pear.
Warning Checking PEAR::Log is installed: False
PEAR::Log is needed by: SyncML. PEAR (pear.php.net) is a PHP repository and is usually in a package called php-pear.
Warning Checking for GD support...: False
Your PHP installation does not have appropriate GD support. You need gd library version 1.8 or newer to see Gantt charts in projects. Passed Checking file-permissions of *Zensiert* for not world writable: nn/nn drwxrwxrwx
This might take a while, please wait ...
Passed Checking if php.ini setting session.save_path='C:\WINDOWS\Temp' is writable by the webserver: nn/nn drwxrwxrwx