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POConnecting to WMI: 0x800706ba errors on some machines (but not all)
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  1. POConnecting to WMI: 0x800706ba errors on some machines (but not all)
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    copied!<p>When I try to connect to WMI from Powershell, ConfigMgr, or WMI explorer, I can talk to the majority of my computers, but some (maybe 30%?) return an 0x800706ba (RPC server is unavailable).</p> <p>If I turn the firewall off on the remote machine, the queries start working. I have tried a bunch of different configurations of firewall settings, though, and I can't seem to figure out what the right combination of exceptions is.</p> <p>Here's the relevant bits of my firewall config on the remote machine. The crazy part is that there are <strong>no drops</strong> listed in pfirewall.log when it doesn't work - but again, if I turn off the firewall on the remote computer, everything starts to behave.</p> <p>I will babysit this thread since I know you'll probably need more details to diagnose this.</p> <pre><code>Domain profile configuration (current): ------------------------------------------------------------------- Operational mode = Enable Exception mode = Enable Multicast/broadcast response mode = Enable Notification mode = Enable Service configuration for Domain profile: Mode Customized Name ------------------------------------------------------------------- Enable No Remote Desktop Allowed programs configuration for Domain profile: Mode Name / Program ------------------------------------------------------------------- Enable Remote Assistance / C:\WINDOWS\system32\sessmgr.exe Enable Network Diagnostics for Windows XP / C:\WINDOWS\Network Diagnostic\xpnetdiag.exe Port configuration for Domain profile: Port Protocol Mode Name ------------------------------------------------------------------- 3389 TCP Enable Remote Desktop Standard profile configuration: ------------------------------------------------------------------- Operational mode = Enable Exception mode = Enable Multicast/broadcast response mode = Enable Notification mode = Enable Service configuration for Standard profile: Mode Customized Name ------------------------------------------------------------------- Enable No Remote Desktop Allowed programs configuration for Standard profile: Mode Name / Program ------------------------------------------------------------------- Enable Remote Assistance / C:\WINDOWS\system32\sessmgr.exe Enable McAfee Framework Service / C:\Program Files\McAfee\Common Framework\FrameworkService.exe Enable Network Diagnostics for Windows XP / C:\WINDOWS\Network Diagnostic\xpnetdiag.exe Port configuration for Standard profile: Port Protocol Mode Name ------------------------------------------------------------------- 3389 TCP Enable Remote Desktop Log configuration: ------------------------------------------------------------------- File location = C:\WINDOWS\pfirewall.log Max file size = 4096 KB Dropped packets = Disable Connections = Disable Bluetooth Network Connection firewall configuration: ------------------------------------------------------------------- Operational mode = Enable Local Area Connection firewall configuration: ------------------------------------------------------------------- Operational mode = Enable Wireless Network Connection firewall configuration: ------------------------------------------------------------------- Operational mode = Enable 1394 Connection firewall configuration: ------------------------------------------------------------------- Operational mode = Enable </code></pre>
 

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