Oracle Listener wont start, Failed to start service, error 0.

I had to install Oracle 12c on Windows 2012R2 server, and I ended with this error.

My Listener wont start, and when I tried from command prompt, I got

Google pointed  here and it fixed it

Here are the steps

1) Go you your environment vairables
2) Add ORACLE_HOME pointing to your home directory

3) start the service again

Oracle Database Configuration Assistant: DIM-00019 OS 1388 Error

I had to install Oracle 12c on Windows 2012R2 server, and I ended with this error

DIM-00019:create service error O/S-Error:(OS 1388) A new member could not be added to a local group because the member has the wrong account type.

I did run the installer as "Administrator" option. Google pointed to here and it

Here are the steps

1) Once your installer errors out with DIM error, DO NOT CLOSE the installer
2) Go to Services, find your Oracle database service
3) Start the service
4) Come back and hit retry

iTunes wont recognize iPad

I have windows 10, and itunes wont find my ipad. iTunes -> Files -> Devices was greyed out.

Google showed lot of useless information, but zeeshanmiralam solution works. Credit goes to him.

Connect your iPad to your PC

1) Launch Device Manger
2) Expand Portable devices, my iPad was listed there, and as long as you see it there, iTunes wont recognize it.
3) Right click on "Apple device" and choose update driver. Pick "Browse my computer for driver software"
4) Navigate to "C:\Program Files\Common Files\Apple\Mobile Device Support\Drivers" and select next
5) It should install the driver
6) Device manager will no longer show, Portable device
7) Expand "Universal Serial Bus Controllers"
8) You will see "Apple Mobile Device USB driver"
9) iTunes will recognize your device now.

Calling LoadLibraryEx on ISAPI filter failed

We have an old application to support, and I installed .Net 1.1 framework on a 2008 r2 server.

After 1.1 framework install, all the other applications on the web server started failing with

Calling LoadLibraryEx on ISAPI filter c:\windows\..... failed

 Fix is to make sure that your aspnet_isapi dll is pointing to the correct path.

On your web server, right click on default web site, and double click on ISAPI filters.

Make sure that the path is correct. On my side, it was pointing to 32 bit framework instead of 64 bit

Orace 12c: Enterprise Manager URL

I installed 12c on a Windows server, and it did not create a shortcut for EM URL.

Enterprise Manager (EM) URL is in following format

http://<servername>:<portname>/em
or
https://<servername>:<portname>/em

You can figure out the port name using following SQL

Run as Sys

select dbms_xdb.getHttpPort() http_port , dbms_xdb_config.getHttpsPort() https_port
from dual

Once you know the port number, you can easily access EM