[Solved] How to Fix Unexpected error refreshing Server Manager Exception from HRESULT 0x800F0900 on Windows Server 2008

Problem: Unexpected error refreshing Server Manager Exception from HRESULT 0x800F0900 prompt when add or remove Server Manager Roles and Features.

SBS 2008 Server Manager Error 0x800F0900

This issue probably caused by corrupt Windows update. Follow below methods to troubleshoot the error.

Solution 1

Use the System File Checker tool to repair missing or corrupted system files. sfc /scannow

Solution 2

Fix Windows Update errors by using the DISM or System Update Readiness tool

Solution 3

Fix errors that are found in the CheckSUR.log

Step 1: Copy the package (.msu) to the %SYSTEMROOT%\CheckSUR\packages directory. By default, this directory doesn’t exist and you need to create the directory.

Step 2: Rerun the System Update Readiness Tool.

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