Program can’t start because api-ms-win-crt-heap-l1-1-0.dll is missing SharePoint2016

This program can’t start because api-ms-win-crt-heap-l1-1-0.dll is missing from your computer.” error while running SharePoint Products Configuration Wizard.

api-ms-win-crt-heap-l1-1-0

*Missing update patches “Windows 10 Universal Runtime update” for Windows Server 2012 R2.

  • Installation of Windows Server 2012 R2 patch KB299926 is required so as to resolve this issue.

But  “The update is not applicable to your computer.” error came after that as below.

kb2919355

This is because Windows 10 Universal C Runtime KB2999226 is dependent on a Windows Server 2012 R2 Cumulative Update package in KB2919355.

Check windows updates, install patch KB2919355 and “The update is not applicable to your computer.”error will be resolved and after which there will be no error in installation of  the Windows 10 Universal C Runtime.

Have a look into my previous post Install Prerequisite (prerequisiteinstaller.exe) SharePoint 2016.

Unable to install Microsoft Information Protection and control Client 2.1 error SharePoint 2016

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load balancing WFE servers sharepoint

How to configure load balance WFE servers sharepoint

servers in sharepoint can be possible by Activating "Network Load Balancing" feature.

So, first install the NLB feature in Windows which can be done using Server Manager as per below screenshot:

Load balancing WFE servers sharepoint

Load balancing WFE servers sharepoint

Then create NLB cluster on the first server:

  1. Open Network Load Balancing Manager
  2. From the Cluster menu choose New
  3. Enter the server name or IP address and select the desired interface from the list.  Click Next
  4. Select the dedicated IP address and click Next
  5. Add a cluster IP address, choose Multicast and click Next
  6. If required, narrow down the ports required for the cluster (for example just port 80 and 443).  Click Finish.  The cluster is now in place with just the one host, as you can see below:

create cluster network load balancing manager

create cluster network load balancing manager

To add the second host just right-click the cluster and choose Add host to cluster.  Follow the wizard to add the second server to the cluster.

Note: when clustering 3 or more web front end servers it is a good idea to use a separate network for server to server communication.

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