When I click on "Manage" the Service is in the list.. So I guess it was created successfully.
Like I already said , the oci8 module in PHP is correctly installed.
[PHP Modules]
bcmath
bz2
calendar
Core
ctype
curl
date
dom
ereg
exif
fileinfo
filter
ftp
gd
gettext
gmp
hash
iconv
imap
intl
json
ldap
libxml
mbstring
mcrypt
mongo
mssql
mysql
mysqli
mysqlnd
oci8
openssl
pcntl
pcre
PDO
pdo_dblib
pdo_mysql
pdo_pgsql
pdo_sqlite
pgsql
Phar
posix
readline
Reflection
session
SimpleXML
soap
sockets
SPL
sqlite3
standard
tidy
tokenizer
v8js
xml
xmlreader
xmlrpc
xmlwriter
xsl
Zend OPcache
zip
zlib