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Powershell - size limit error

Posted on 2013-10-22
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2,367 Views
Last Modified: 2013-10-22
Hi EE

SubSun helped me with the script below that compares members of two groups . It works great on small groups but if they are over a certain amount which I dont know .. I get the error below .. the groups I am trying to compare have 20k users .

Any ideas what I need to modify ?

Function Compare-Member ($Source,$Group) {
      $DN = (Get-AdGroup $Source).DistinguishedName
      "Working on group $Group"
      $result = Get-ADGroupMember $Group | % {
      If (!(Get-ADUser $_.SamAccountName -properties memberOf |
            ? {$_.memberOf -Match $DN})){$_.SamAccountName}
      }
      If ($result){
      "Missing Members"
      $result
      }
      Else{
      "All NUIDs Match !"
      }
}

Compare-Member Test_1 TEST_4


ERROR below ..

PS E:\Projects\Groups> .\CompareABGroups.ps1
Working on group TEST_4
Get-ADGroupMember : The size limit for this request was exceeded
At E:\Projects\Groups\CompareABGroups.ps1:5 char:12
+     $result = Get-ADGroupMember $Group | % {
+               ~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (TEST_4:ADGroup) [Get-ADGroupMember], ADException
    + FullyQualifiedErrorId : The size limit for this request was exceeded,Microsoft.ActiveDirectory.Management.Commands.GetADGroupMember
0
Comment
Question by:MilesLogan
  • 4
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8 Comments
 
LVL 40

Expert Comment

by:Subsun
ID: 39592383
How many members you have in the group is it above 5000?
0
 
LVL 37

Expert Comment

by:Neil Russell
ID: 39592389
0
 
LVL 2

Author Comment

by:MilesLogan
ID: 39592444
Hi Subsun .. yes .. both groups have over 5000
0
 
LVL 40

Expert Comment

by:Subsun
ID: 39592485
Try to replace Get-ADGroupMember $Group

With
Get-ADGroup $Group -Properties Members | Select-Object -ExpandProperty Members | Get-ADObject | ?{$_.ObjectClass -eq "user"}

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Function Compare-Member ($Source,$Group) {
      $DN = (Get-AdGroup $Source).DistinguishedName
      "Working on group $Group"
      $result = Get-ADGroup $Group -Properties Members | 
		Select-Object -ExpandProperty Members | 
			Get-ADObject | 
				?{$_.ObjectClass -eq "user"} | % {
      If (!(Get-ADUser $_.SamAccountName -properties memberOf |
            ? {$_.memberOf -Match $DN})){$_.SamAccountName}
      }
      If ($result){
      "Missing Members"
      $result
      }
      Else{
      "All NUIDs Match !"
      }
}

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LVL 2

Author Comment

by:MilesLogan
ID: 39592561
Hi SubSun

I received the error below .

Get-ADUser : Cannot validate argument on parameter 'Identity'. The argument is null. Supply a non-null argument and try the command again.
At E:\Projects\groups\CompareABGroups.ps1:8 char:24
+       If (!(Get-ADUser $_.SamAccountName -properties memberOf |
+                        ~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidData: (:) [Get-ADUser], ParameterBindingValidationException
    + FullyQualifiedErrorId : ParameterArgumentValidationError,Microsoft.ActiveDirectory.Management.Commands.GetADUser
0
 
LVL 40

Expert Comment

by:Subsun
ID: 39592582
In line 8 change Get-ADUser $_.SamAccountName

to

Get-ADUser $_.DistinguishedName
0
 
LVL 40

Accepted Solution

by:
Subsun earned 500 total points
ID: 39592586
Or try...
Function Compare-Member ($Source,$Group) {
      $DN = (Get-AdGroup $Source).DistinguishedName
      "Working on group $Group"
      $result = Get-ADGroup $Group -Properties Members | 
		Select-Object -ExpandProperty Members | 
			Get-ADObject -properties Samaccountname | 
				?{$_.ObjectClass -eq "user"} | % {
      If (!(Get-ADUser $_.SamAccountName -properties memberOf |
            ? {$_.memberOf -Match $DN})){$_.SamAccountName}
      }
      If ($result){
      "Missing Members"
      $result
      }
      Else{
      "All NUIDs Match !"
      }
}

Open in new window

0
 
LVL 2

Author Closing Comment

by:MilesLogan
ID: 39592870
That was it ! thank you !
0

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Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

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