Filter Managedby Powershell - powershell

Question

Below are my current attempts to pull AD groups whose managedby equal names like "ML...". I keep getting errors so I wanted to know why I am unable to filter managedby with "-like" when I can filter managedby "-eq $..." variables. I tried making a variable $name = "ML*" so that I can perform {managedby -eq $name} but still had no luck.
I mostly get error like:
Operator(s): The following: ''Eq', 'Ne'' are the only operator(s) suppor
ted for searching on extended attribute: 'ManagedBy'.
and so forth because "-eq" is only accepted for some filters I have done. When I use -eq I get these errors:
Import-Module : The following error occurred while loading the extended type dat
a file:
Microsoft.PowerShell, C:\WINDOWS\system32\WindowsPowerShell\v1.0\Modules\ActiveD
irectory\ActiveDirectory.Types.ps1xml : File skipped because it was already pres
ent from "Microsoft.PowerShell".
Microsoft.PowerShell, C:\WINDOWS\system32\WindowsPowerShell\v1.0\Modules\ActiveD
irectory\ActiveDirectory.Types.ps1xml : File skipped because it was already pres
ent from "Microsoft.PowerShell".
At J:\\ManagedbyEqualsML.ps1:1 char:14
+ Import-Module <<<< ActiveDirectory
+ CategoryInfo : InvalidOperation: (:) [Import-Module], RuntimeExc
eption
+ FullyQualifiedErrorId : FormatXmlUpateException,Microsoft.PowerShell.Comm
ands.ImportModuleCommand
The term 'Get-adgroup' is not recognized as the name of a cmdlet, function, scri
pt file, or operable program. Check the spelling of the name, or if a path was i
ncluded, verify that the path is correct and try again.
At J:\\ManagedbyEqualsML.ps1:53 char:27
+ $MLgroupAll = Get-adgroup <<<< -Properties managedby, enabled, name -filter
{managedby -eq $name}
+ CategoryInfo : ObjectNotFound: (Get-adgroup:String) [], CommandN
otFoundException
+ FullyQualifiedErrorId : CommandNotFoundException
Here are my codes where I attempted to find Owners that have the name ML*
Import-Module ActiveDirectory
$name = "ML*"
#Attempt 1
$MLgroups = Get-adgroup -Properties managedby, enabled, name -filter * | Select name, managedby
foreach ($group in $MLgroups){
if ($group.managedby -like "ML*"){
write-host $group.name + $group.managedby}
}
#Attempt 2
$Mgroups = get-adgroup -Properties name, managedby -filter *
foreach ($groups in $Mgroups){
# here get the group name and use the "managedBy attribute to retrieve the user object
# grou naem
$gname = $_.Name
$manager=Get-AdUser $_.ManagedBy
$MangerName = $manager.DisplayName
if ($managerName -like "ML*"){
write-host $gname + $managerName}
}
#Attempt 3
$exportlist = "C:\Temp\managedby.txt"
Clear-Content $exportlist
$Header = `
"Group ID Name" + "|" + "ManagedBy"
$Header | Out-File $exportlist -Append
$list = get-adgroup -properties name, managedby -filter {managedby -like "ML_*"} `
| Select name, managedby | Export-CSV $exportlist -NoType -Delimiter '|'
#Attempt 4
$MLgroupAll = Get-adgroup -Properties managedby, enabled, name -filter {managedby -like $name}
foreach ($group in $MLgroupAll) {
write-host $group.name + $group.managedby}
UPDATE: if i try to changed my $name variable it still doesn't work and gives another error.
$MLgroupAll = get-adgroup -Properties managedby, enabled, name -filter {managedby -eq $name}
foreach ($group in $MLgroupAll) {
$managed = $group.managedby
if ($managed -like "ML*"){
write-host $group.name + $group.managedby }
}
ERROR:
Get-ADGroup : Identity info provided in the extended attribute: 'ManagedBy' coul
d not be resolved. Reason: 'Cannot find an object with identity: 'ML*' under: 'D
C=we,DC=dirsrv,DC=com'.'.
#Paul: here is my error still:

Answer 1

Here is an example that works for me (orienting myself at your last try):
get-adgroup -filter * -Properties managedby | % {
if($_.managedby -like "CN=ML*"){
write-host $_.name + $_.managedby
}
}