Patch Download Doesn't Connect to Metalink/My Oracle Support from OAM Console

During configuring Auto patch download process from OAM console in Apps R12.x, we hit following error in application logs...

Error - 

Cannot connect to http://updates.oracle.com. Please ensure Metalink settings have been configured.

or

Connection Refused.

With Patch Manager, customers using an older version might get one of the following errors when using the Add Oracle Patch. List of Values on the third page of the Patch Manager interview

The fix is to download and apply the patch 10629956_R12.ADO.B_R12_GENERIC.

[oracle@appsnode 1213Patches]$ unzip p10629956_R12.ADO.B_R12_GENERIC.zip

Archive:  p10629956_R12.ADO.B_R12_GENERIC.zip

  inflating: 10629956/README.html

  inflating: 10629956/u10629956.drv

  inflating: 10629956/f10629956.ldt

 extracting: 10629956/j10629956_ad.zip

 extracting: 10629956/j10629956_fnd.zip

  inflating: 10629956/marker1.txt

  inflating: 10629956/b10629956.ldt

  inflating: 10629956/README.txt

  inflating: 10629956/patch_metadata.xml

  inflating: 10629956/ad/patch/115/manualsteps/ad_apply_patch.xml

[oracle@appsnode 1213Patches]$ cd 10629956/

[oracle@appsnode 10629956]$ adpatch defaultsfile=/u01/app/oracle/visr12/apps/apps_st/appl/admin/visr12/adalldefaults.txt  workers=4 driver=u10629956.drv  logfile=patch_10629956.log

Saving product information.

AD code level : [B.3]

Trying to obtain a lock...

The default directory is [/home/oracle/1213Patches/10629956] :

You have specified u10629956.drv

as the name of your patchdriver file.

AutoPatch is complete.

-- Disable the Maintenance mode and start the apps stack

[oracle@appsnode 10629956]$ adstrtal.sh apps/apps

[oracle@appsnode 10629956]$ adopmnctl.sh  status

---------------------------------+--------------------+---------+---------

ias-component                            | process-type       |     pid | status

---------------------------------+--------------------+---------+---------

OC4JGroup:default_group          | OC4J:oafm          |    6223 | Alive

OC4JGroup:default_group          | OC4J:forms         |    6158 | Alive

OC4JGroup:default_group          | OC4J:oacore        |    6029 | Alive

HTTP_Server                               | HTTP_Server        |    5977 | Alive

Now if one tries to save the credentials it works fine....

Ref : New Required Patches for Patch Wizard, Patch Manager, and Oracle Application Change Management Pack for Oracle E-Business Suite Releases 11i, 12.0, and 12.1 [ID 1267768.1]