if you cant connect to Lotus Domino server over SSL from Windows workstation try this, and some SSL related info

Vladislav Tatarincev  23 October 2012 23:59:18

Microsoft has new patch(bug?), that last week was deployed on many Microsoft workstations.
This affect iNotes users and Domino servers, with less then 2048bit SSL key.

If your users are complaining that they cannot connect to Lotus Domino server over HTTPS, try to upgrade your certificate to 2048 long SSL key

Here is IBM technote that describes problem.
Cannot open session with Domino over SSL after Windows update
http://www-01.ibm.com/support/docview.wss?uid=swg21613994

Domino normally does not allow to create 2048 key, but solution is quite simple open database where you generate SSL keyfile in Designer and add one more value 2048.
And it works!!! this will allow you to generate 2048 bit key.  GoDaddy and other SSL providers no longer accept 1024 keys, only 2048. I hope soon IBM will refresh Certificate Admin template and some others.

Quick guide for generating SSL can be found here
Quick guide to setting up SSL using Domino as the Certificate Authority
http://www-01.ibm.com/support/docview.wss?uid=swg21114148

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