Step 1: Enable the root user

1. Choose Apple menu > System Preferences, and then click Users & Groups.
2. Click the lock icon to unlock it, and then type an administrator name and password.
3. In the Network Account Server section, click Join or Edit.
4. Click Open Directory Utility.
5. Click the lock icon to unlock it, and then enter your administrator name and password.
6. Choose Edit > Enable Root User, and then enter a root user password in the Password and Verify fields.Be sure to specify a secure password.

Step 2:

open terminal

macbook-pro-2:~ ajay$ su
Password:
sh-3.2#

sh-3.2# vi /private/etc/hosts

paste these items

127.0.0.1 activate.adobe.com
127.0.0.1 practivate.adobe.com
127.0.0.1 ereg.adobe.com
127.0.0.1 activate.wip3.adobe.com
127.0.0.1 wip3.adobe.com
127.0.0.1 3dns-3.adobe.com
127.0.0.1 3dns-2.adobe.com
127.0.0.1 adobe-dns.adobe.com
127.0.0.1 adobe-dns-2.adobe.com
127.0.0.1 adobe-dns-3.adobe.com
127.0.0.1 ereg.wip3.adobe.com
127.0.0.1 activate-sea.adobe.com
127.0.0.1 wwis-dubc1-vip60.adobe.com
127.0.0.1 activate-sjc0.adobe.com
127.0.0.1 hl2rcv.adobe.com
127.0.0.1 activate.adobe.com
127.0.0.1 practivate.adobe.com
127.0.0.1 ereg.adobe.com
127.0.0.1 activate.wip3.adobe.com
127.0.0.1 wip3.adobe.com
127.0.0.1 3dns-3.adobe.com
127.0.0.1 3dns-2.adobe.com
127.0.0.1 adobe-dns.adobe.com
127.0.0.1 adobe-dns-2.adobe.com
127.0.0.1 adobe-dns-3.adobe.com
127.0.0.1 ereg.wip3.adobe.com
127.0.0.1 activate-sea.adobe.com
127.0.0.1 wwis-dubc1-vip60.adobe.com
127.0.0.1 activate-sjc0.adobe.com
127.0.0.1 hl2rcv.adobe.com
127.0.0.1 192.150.14.69
127.0.0.1 192.150.18.101
127.0.0.1 192.150.18.108
127.0.0.1 192.150.22.40
127.0.0.1 192.150.8.100
127.0.0.1 192.150.8.118
127.0.0.1 209-34-83-73.ood.opsource.net
127.0.0.1 3dns-1.adobe.com
127.0.0.1 3dns-2.adobe.com
127.0.0.1 3dns-2.adobe.com
127.0.0.1 3dns-3.adobe.com
127.0.0.1 3dns-3.adobe.com
127.0.0.1 3dns-4.adobe.com
127.0.0.1 3dns.adobe.com
127.0.0.1 activate-sea.adobe.com
127.0.0.1 activate-sea.adobe.com
127.0.0.1 activate-sjc0.adobe.com
127.0.0.1 activate-sjc0.adobe.com
127.0.0.1 activate.adobe.com
127.0.0.1 activate.adobe.com
127.0.0.1 activate.wip.adobe.com
127.0.0.1 activate.wip1.adobe.com
127.0.0.1 activate.wip2.adobe.com
127.0.0.1 activate.wip3.adobe.com
127.0.0.1 activate.wip3.adobe.com
127.0.0.1 activate.wip4.adobe.com
127.0.0.1 adobe-dns-1.adobe.com
127.0.0.1 adobe-dns-2.adobe.com
127.0.0.1 adobe-dns-2.adobe.com
127.0.0.1 adobe-dns-3.adobe.com
127.0.0.1 adobe-dns-3.adobe.com
127.0.0.1 adobe-dns-4.adobe.com
127.0.0.1 adobe-dns.adobe.com
127.0.0.1 adobe-dns.adobe.com
127.0.0.1 adobe.activate.com
127.0.0.1 adobeereg.com
127.0.0.1 crl.verisign.net
127.0.0.1 CRL.VERISIGN.NET.*
127.0.0.1 ereg.adobe.com
127.0.0.1 ereg.adobe.com
127.0.0.1 ereg.wip.adobe.com
127.0.0.1 ereg.wip1.adobe.com
127.0.0.1 ereg.wip2.adobe.com
127.0.0.1 ereg.wip3.adobe.com
127.0.0.1 ereg.wip3.adobe.com
127.0.0.1 ereg.wip4.adobe.com
127.0.0.1 hl2rcv.adobe.com
127.0.0.1 ood.opsource.net
127.0.0.1 practivate.adobe
127.0.0.1 practivate.adobe.*
127.0.0.1 practivate.adobe.com
127.0.0.1 practivate.adobe.com
127.0.0.1 practivate.adobe.ipp
127.0.0.1 practivate.adobe.newoa
127.0.0.1 practivate.adobe.ntp
127.0.0.1 tss-geotrust-crl.thawte.com
127.0.0.1 wip.adobe.com
127.0.0.1 wip1.adobe.com
127.0.0.1 wip2.adobe.com
127.0.0.1 wip3.adobe.com
127.0.0.1 wip3.adobe.com
127.0.0.1 wip4.adobe.com
127.0.0.1 wwis-dubc1-vip60.adobe.com
127.0.0.1 wwis-dubc1-vip60.adobe.com
127.0.0.1 wwis-dubc1-vip60.adobe.com

Step3:

close with :wq

step 4: flush DNS

dscacheutil -flushcache

done

 

For Windows users 

open C:\WINDOWS\system32\drivers\etc\hosts with notepad and paste the items in step 2 at the end:

Enjoy – stop adobe calling home and stop  activation check for cs4 and cs5