Encryption option is greyed out in Outlook 2013

Article
2015-11-13

Question

_{Friday, November 13, 2015 11:13 AM}

Hello,

in my Outlook 2013 profile / account encryption option ( encrypts traffic between Outlook & Exchange Server ) is greyed out.

I'd like to disable encryption. How can I do this ?

best regards Janusz Such

All replies (3)

_{Monday, November 16, 2015 8:01 AM ✅Answered}

Hi,

Please check the registry key below:

Important Follow the steps in this section carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur.

Key: HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\15.0\Outlook\RPC
DWORD: EnableRPCEncryption

Is the DWORD available there? When its value is 1, the option "Encrypt data between Microsoft Outlook and Microsoft Exchange" is ticked and greyed out; when its value is 0, the option is unticked and greyed out.

If the DWORD is not available there, you should be able to tick it or untick it manually. You can remove this DWORD value then start Outlook to check the result.

Regards,

Melon Chen
TechNet Community Support

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_{Thursday, November 19, 2015 9:05 AM}

Hello,

thank you very much for your answer !

Computer with problematic Outlook profile is currently unavailable ( user is out of office ),
it will be available perhaps in next week, so I'll check your solution later.

best regards
Janusz Such

_{Thursday, November 19, 2015 9:07 AM}

Hi,

When you have the chance to check my suggestion, let me know the result. :)