[Galaxy Note GT-N7000 General] NaveenKD:
Even Before I start, I will concede that there might much better and easier method. But this is the working method I found after reading over XDA, Internet and CM bug tracker.

I was on a rooted stock rom from quite sometime (Thanks to Dr.Ketan) and was enjoying whatever limited mods available for Stock odexed rooted ICS roms + changing kernels (obviously between Speedmod & Notecore).

A post by G.Lawene that he may develop an universal kernel which works on stock, AOSP, AOKP and CM9 excited me.

Also I was jeaolous of the homescreen, themes that other deodexed rom users post on various threads.

This mad me to plunge into flashing AOKP, Paranoid, CM9 over last 2 days.

I use my phone primarily to sync my corporate mail and rest to enjoy all those possibilities of Android ;)

So major setback for me in the above custome roms was connectivity to my exchange server.

Most of the corporate exchange servers force polices such as :

Install and connect an MDM (Mobile Device Management) which check for root , becomes a device adminstrator.

The sync when connects makes your corporate as another device admin and forces password policies (no swipe, face unlock) etc ,,,,

The above options used to work on rooted stock roms. basically once connected mails keep syncing, while MDM keeps saying diconnected due to policy issues. Workaround was i used to temp-unroot (disable) in SuperSU.

But in AOKP Zenprise connected while my corporate account never.

In Paranoid Zenprise did not connect even after disabling the root in developer settings.

Same was with CM9 nightlies.

At this point i mived back to stock, but I had tasted the blood (viz CM/AOKP).

I was desperate and was searching entire night over web on how to connect on CM9. Few lucky once are able to connect without any issues, few after using running scripts terminal emulator to remove superuser and su. But not me, nothing worked.

Then I raised questions in many threads asking a workaround or is there a root and unroot zips to be flashed on CM9.

Finally in XDA and CM logs i got to know that there are 2 apps which may help.

1) Voodo OTA rootkeeper (an app developed to root/unroot on stock rooms to update over OTA.

2) Touchdown: Its a standalone appa which acts as an exchange accounts accepts all the security policies and syncs with microsft exchange.

I installed Paranoid rom. made all UI customizations with root. Installed OTA rootkeeper, stored the root setting and clicked temp unroot.

Later I also disabled root in developer settings and installed and connected MDM (zenprise in my case). Voila it connected nd activated itself as device administrator.

Now came the anxious part. Downloaded trial version of Touchdown, went ahead with set-up. To my surprise, it asked to set-up a pin to this app alone and once done, completely synced with my corporate exchange (mails, contacts, tasks, calenders, notes).

In accounts and sync it shows as touchdown account and i can sync contacts into my phone contacts. Touch(wood)down everything working fine.

If someknow has undergone similar issues and found out a better way, welcome to share. so that it benefits everyone.

Moderator: if you find that this thread is obsolete/redundant please redirect to specific thread and close.

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