Hello,

You SCCM agent has a set of action that you can trigger manually from the control panel :

You can trigger those actions with PowerShell with his COMObject :

PS C:> $SCCMClient = New-Object -COM 'CPApplet.CPAppletMgr'
PS C:> $SCCMClient
System.__ComObject
PS C:> $SCCMClient | Get-Member


   TypeName: System.__ComObject#{279463bb-1034-4fb5-878e-4a330a08beab}

Name                MemberType Definition
----                ---------- ----------
GetClientActions    Method     IClientActions GetClientActions ()
GetClientComponents Method     IClientComponents GetClientComponents ()
GetClientProperties Method     IClientProperties GetClientProperties ()


PS C:>
PS C:> $SCCMClient.GetClientActions()

ActionID                               Name                                          DisplayNameResID DisplayNameResDLL
--------                               ----                                          ---------------- -----------------
{8EF4D77C-8A23-45c8-BEC3-630827704F51} Request & Evaluate Machine Policy                        10008 cfg_res.dll
{00000000-0000-0000-0000-000000000113} Updates Source Scan Cycle                                10013 cfg_res.dll
{3A88A2F3-0C39-45fa-8959-81F21BF500CE} Request & Evaluate User Policy                           10007 cfg_res.dll
{00000000-0000-0000-0000-000000000101} Hardware Inventory Collection Cycle                      10001 cfg_res.dll
{00000000-0000-0000-0000-000000000102} Software Inventory Collection Cycle                      10005 cfg_res.dll
{00000000-0000-0000-0000-000000000123} Application Global Evaluation Task                       10014 cfg_res.dll
{00000000-0000-0000-0000-000000000108} Software Updates Assignments Evaluation Cycle            10011 cfg_res.dll
{00000000-0000-0000-0000-000000000103} Discovery Data Collection Cycle                          10004 cfg_res.dll
{00000000-0000-0000-0000-000000000107} MSI Product Source Update Cycle                          10010 cfg_res.dll
{00000000-0000-0000-0000-000000000104} Standard File Collection Cycle                           10006 cfg_res.dll


PS C:>
PS C:> $SCCMClient.GetClientActions()[3]

ActionID                               Name                           DisplayNameResID DisplayNameResDLL
--------                               ----                           ---------------- -----------------
{3A88A2F3-0C39-45fa-8959-81F21BF500CE} Request & Evaluate User Policy            10007 cfg_res.dll


PS C:> $SCCMClient.GetClientActions()[3] | Get-Member


   TypeName: System.__ComObject#{f2f82c75-25fa-489e-a875-caf086a0449b}

Name              MemberType Definition
----              ---------- ----------
PerformAction     Method     void PerformAction ()
ActionID          Property   string ActionID () {get}
DisplayNameResDLL Property   string DisplayNameResDLL () {get}
DisplayNameResID  Property   int DisplayNameResID () {get}
Name              Property   string Name () {get}


PS C:> $SCCMClient.GetClientActions()[3].PerformAction()
PS C:>

This can be useful to force some SCCM action in your logon scripts.