I was doing SQL server 2012 installation for my lync server 2013 lab and I ran into this error "Error while enabling Windows feature: NetFx3, Error Code: -2146498298, Please try enabling Windows feature: NetFx3 from Windows management tool and then run setup again."
Started the server manager and tried to install the .Net Framework 3.5 with SP1 and it failed with error “Do you need to specify an alternate source path? One or more installation selections are missing source file on the destination”
Now the only choice I had was to install .Net Framework 3.5 was using Deployment Image Servicing and Management (DISM). For more information on DISM, refer to this article. I tried to install it using DISM by running the command dism /Online /Enable-Feature /FeatureName:NetFx3 /Source:D:\sources\sxs but it failed with below error.
As it say “Error itself has solution in it” indeed it had the solution. I just had to modify the command and run it with /all switch like this, dism /Online /Enable-Feature /FeatureName:NetFx3 /All /Source:D:\sources\sxs and it will complete successfully, as you can see. Note: Make sure you have Windows Server 2012 media in the drive before you run this command.
After this SQL Server 2012 installation completed like a charm :)
Continued my Lync Server 2013 installation and completed with Archiving and
Monitoring server roles.
I came across with this error "Command execution failed: Error Constructing or Publishing Certificate" when requesting certificate from internal CA server for Lync server 2013 running on windows server 2012.
After digging into the issue and the error I found that I will have to restart the Active Directory Certificate Services on CA server. Looked into application log and found the event id 53.
I checked and found that Active Directory Certificate Services service on CA server service is already running.
Now I just had to restart Active Directory Certificate Services service. After restarting the service, request the certificates again from Lync server and it will complete successfully.
Microsoft has recently released "Microsoft Exchange 2013 Public Folders Directory Sync Support Scripts". Scripts to enable creation of public folder related objects in the O365 Active Directory and synchronization of public folder related Active Directory objects between on-premise and O365 directories.
Use this scripts if you need to do one of the following - - Initial creation of mail enabled public folder objects in the destination Active Directory for public folder migration from Exchange 2007 or 2010 to Exchange 2013 - Synchronization of mail enabled public folder objects from cloud to on-premise Active Directory - Synchronization of mail enabled public folder objects from on-premise to cloud Active Directory - Synchronization of public folder mailbox objects from cloud to on-premise Active Directory.
Exchange 2010 includes a feature called Datacenter Activation Coordination (DAC) mode that is designed to prevent split brain at the database level during switchback procedures that are being performed after a datacenter switchover has occurred. One of the side benefits of enabling DAC mode is that it enables you to use the built-in recovery cmdlets to perform the datacenter switchover and switchback.
You can download it from here Note: It's not exactly a tool but a power point guide to help you perform the switchover correctly with all the cmdlets.