Incorrect DCOM enabled for WMI connections

If DCOM is not enabled, WMI will not be able to connect to remote devices to scan.
Below steps shows to configure DCOM

Run dcomcnfg.exe
Double-click Component Services > Double-click Computers > Right-click My Computer
Select Properties > Select Default Properties tab
Enable Distributed COM on this computer checkbox is checked
Default Authentication Level: Connect
Default Impersonation Level: Identify


Click on COM Security tab > Click Edit Limits under “Launch and Acitvate Permissions”
Make sure Remote Launch and Activation permissions are enabled for the Administrators group
Restart remote device

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Ole,EnableDCOM. If the value is “N”, then you need to change it to “Y” and reboot.

Ports to check in firewall

Inbound TCP : 135,445,1024-2000 Dynamic Ports
Inbound UDP : 137


Posted on December 15, 2014, in Windows. Bookmark the permalink. Leave a comment.

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )


Connecting to %s

%d bloggers like this: