Solved: SharePoint Server Error:

Quick fix SharePoint Server Error:

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In this “SharePoint Server Error” article, we will learn about when we get “Server error:”  from SharePoint sites and how to fix it.

Issue Description: SharePoint Server Error:

During our SharePoint content database migration, we faced this issue.
Let’s say we have migrated the content database from SharePoint one version to another version(for example SharePoint 2010 to SharePoint 2013). We have migrated the content database successfully without any error but when we try to access the SharePoint site from the browser, none of the sites gets opened in the browser and we’ll get the below error.
Server error:

SharePoint Server Error:

No need to panic about this, here is the reason for this error, and fix it.

What is the reason for this error? SharePoint Server Error:

If we go to the “/_admin/FarmServer.aspx” page from the central administration and if we have multi servers farm – we can see one server status shows as “Upgrade Blocked” while another one shows as “Installation Required” as below:

I will explain what these two status means are.

Root cause - SharePoint Server Error:

Upgrade Blocked: Upgrade blocked in SharePoint server

The server is blocked from the upgrade. The current server is installed with the latest CU and it will remain blocked until all the SP servers in the farm are installed with the same version.

Installation Required: Installation required in SharePoint server upgrade

The server is still not yet installed with the same CU that is already installed on other servers.

If we summarize the above we will get the below:
The latest windows updates were installed on the first server where the status shows as “Upgrade Blocked” but on another server, the same windows updates were not installed, so the status was showing as “Installation Required“.

How to fix the above SharePoint Server Error?

Now install the windows updates in all other servers in the farm where the status shows as “Installation Required“. Now browse all the SharePoint sites where you were getting the above-highlighted error – everything will be opened fine.

Summary: SharePoint Server Error:

Thus, we have learned in this article reason for “Server error:” and its fixes.

See Also: SharePoint Online PowerShell

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