Increase WMI Default Memory Allocation for ConfigMgr Server

WMI is an integral part of ConfigMgr (SCCM). Let’s see How to increase WMI Default Memory Allocation for ConfigMgr Servers.


Many SCCM issues could be directly linked with WMI. One of them could be SCCM console connectivity issues like “The ConfigMgr Provider reported an error connecting to the ConfigMgr site database server.”

Update: I have never tested this for Task Sequence export-related topic 🙂 18th March 2020.

Patch My PC

This could be because the server doesn’t have enough WMI memory to handle all the processes (old win2k3 servers).

WMI Explorer Architecture -Increase WMI Default Memory Allocation
Increase WMI Default Memory Allocation- WMI Architecture

For More details on __ProviderHostQuotaConfiguration

Solution | FIX – Increase WMI Default Memory Allocation

The solution is to increase the WMI default memory. See the below steps to achieve the same.

1E Nomad

NOTE! – Please try this in a LAB environment. I don’t think it’s recommended to change the WMI memory configuration directly on the production servers. Take a snapshot of the servers before the change to be on the safer side.

1) Run “wbemtest” on cmd prompt
2) Connect to the “root” namespace (not “root\default”, just “root”)
3) Select Open Instance, and specify “[email protected]
4) Check “Local Only” for easier readability, and you will see the threshold values
5) Change the MemoryPerHost value to something greater – e.g. Double it (256 MB)
6) Save Property
7) Save Object
8) Exit


Also, see the Sample VB Script Code:

Dim locator: Set locator = CreateObject("WbemScripting.SWbemLocator")
Dim wmi: Set wmi = locator.ConnectServer("", "root")
Dim quota: Set quota = wmi.Get("[email protected]")
quota.MemoryPerHost = 384*1024*1024

It’s always better to restart the box after applying this change.


About Author -> Anoop is Microsoft’s Most Valuable Professional Award winner from 2015 on the technologies! He is a Solution Architect on enterprise device management solutions with more than 20 years of experience (calculation done in 2021) in IT. He is Blogger, Speaker, and Local User Group Community leader. His main focus is on Device Management technologies like Configuration Manager, Windows 365 Cloud PC, Intune, Azure Virtual Desktop, Windows 10, and Windows 11.

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