Microsoft: Top Support Solutions
Recently Microsoft started a top supported solution blog where we can find the solutions for most of the Microsoft technologies.
Microsoft is publishing all the supported common resolutions here which they found from various channels of support. I would recommend to try it and you might be able to fix your issue on your 1st hit. Below is the link to access top supported solution for all Microsoft softwares like Exchange server.
To access the solutions specific to exchange check the below link:
To access the solutions specific to Lync check the below link:
To access the solutions specific to Sharepoint check the below link:
This is an effort for the fast resolution, make most use of it.
Microsoft MVP | Exchange Server