Technical notes

Error: curl: (35) Unknown SSL protocol error Cause: For node.js https connection you are using invalid certificate. Invalid certificate is because the procedure you create the certificate. Solution:  Use the following mechanism to generate certificate and key. openssl req -x509 -sha256 -newkey rsa:2048 -keyout key.pem -out cert.pem -days XXX

To enable a lync user 3 certificates are necessary. These certificates are exported from lync server, edge server and directory control. Certificate for specific services: 0. Root CA 1. SIP services/Lync Front-end. 2. AV services/Edge . 1. SIP services. : STEP 1.   Goto run in windows button in lower left corner and type mmc . STEP 2.   In mmc window selecte File-->Add/Remove snap-in. STEP 3.   Select Certificates from Add/Remove snap-in.   STEP 4.   Select Computer Account from Certificate Snap-in. STEP 5.    Click Next and do all of the necessary stuff on the way. STEP 6.   Select Personal->certificates from  mmc console. STEP 7.   After that select the certificate you need to export and click right button of mouse and from All Tasks select export . STEP 8.   Just follow necessary stuff and get your certificate by instruction from next click. For Edge server certificate follow the...

To enable a lync user 3 certificates are necessary. These certificates are exported from lync server, edge server and directory control. Certificate for specific services: 0. Root CA 1. SIP services. 2. AV/Edge services. 0. Root CA: You can get it from lync dc or directory control. Most of the case it is windows 2008 R2 sevrver edition. STEP 1. Open IIS Manager from all programs and navigate to the level you want to manage. STEP 2.   In Features View , double-click Server Certificates . STEP 3.   Select a certificate and click View from the Actions pane.   STEP 4. In view certificate go to details tab and click on  copy data to file . STEP 5.   Now click Next , give certificate save  location and select all of the necessary  attribute on the way.                            ...