Windows server 2003 – How to solve “IRPStackSize is too small” error
Posted by aidas | Posted in Uncategorized | Posted on 14-05-2009
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Got this error few hours ago after i installed “R1 backup” agent on my Windows server 2003 secondary domain controller. R1 backup agent required restart after install. After i restarted server all shares became inaccessable and i got tons of these errors in “System” log:
***
Event Type: Error
Event Source: Srv
Event Category: None
Event ID: 2011
Date: 5/14/2009
Time: 9:15:44 AM
User: N/A
Computer: Myserver
Description:
The server’s configuration parameter “irpstacksize” is too small for the server to use a local device. Please increase the value of this parameter.
***
After some googling i found that i have to modify registry to return Windows server into normal state. To repair this error open registry editor and navigate to:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanmanServer\Parameters
In the parameters folder mouse right click and select New>DWORD value. Type IRPStackSize as value name. Note that value name is case-sensitive. Double click newly created value to edit. Change base to decimal, enter 18 as value and press OK.
Close registry editor and restart “Server” service to apply new settings.
Server is back now!
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