mdmclient in OS X is not responding to mdm commands just sends idle but doesn't perform or Acknowlegde the sent command

Hi Everyone

The mdmclient in OS X is not responding to mdm commands just sends idle in response to the command but doesn't perform the action or Acknowledge or Command Format Error. please help in tracing down the issue.same server config works fine in iOS .. used 1024 for access rights to support OSX

I'm Using Self Signed Server Cert with correct Subject Alt name i.e DNS and IP Address ,Self Signed CA and Identity is generated by SCEP.

the Device Response.. to apns notification

<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">

<plistversion="1.0">

<dict>

<key>Status</key>

<string>Idle</string>

<key>UDID</key>

<string>nnjknjkjknjk</string>

<key>UserID</key>

<string>nnjknjkjknjk</string>

<key>UserLongName</key>

<string>cdffefeef</string>

<key>UserShortName</key>

<string>fefef</string>

</dict>

</plist>

Sent Command for OSX is

<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">

<plistversion="1.0">

<dict>

<key>Command</key>

<dict>

<key>PIN</key>

<string>123456</string>

<key>RequestType</key>

<string>DeviceLock</string>

</dict><key>CommandUUID</key>

<string>some uuid</string>

</dict>

</plist>

Any Help in this regards is really appreciated.. Thanks