After upgrading to vCenter Server 5.5 Update 1, logging in to vCenter Server reports the error: Failed to verify the SSL certificate for one or more vCenter Server systems (2074942)

Well this certificate Issue generates a multiple of probllems. After upgrading an old installation to accommodate for vmware Horizon 6 i discovered that view storage acceleration was not available from my vCenter. One thing led to another and it turns out it’s a certificate issue. My installation was living all this time with a 512bit Key which needed upgrading. After this you need to reregister all vmware servivces relevant.
Here goes some cut and paste

Continue reading After upgrading to vCenter Server 5.5 Update 1, logging in to vCenter Server reports the error: Failed to verify the SSL certificate for one or more vCenter Server systems (2074942)

Lock Down Remote Desktop Services Server 2012 / RDS 2012 R2

Preparation

Create OU for RDS Server in Active Directory. Create security group for users who will use Remote Desktop Host (i.e. RDS Users). Create GPO (i.e. RDS Server Lock Down). In Security Filtering delete Authenticated Users, add RDS Server Computer Account, and the security group created in previous step.

 

Filter using security groups . . . → Read More: Lock Down Remote Desktop Services Server 2012 / RDS 2012 R2