When using Test-Path to query the HKEY_USERS (or HKU) hive, it kept returning false even if the hive existed. This post explains how to use Test-Path for HKEY_USERS, and the modifications that we need to make. How to use Test-Path for … Continue reading
LDAP does not return all Active Directory group members if there are more than 1500 members in the group. It will return the first 1500, but none thereafter. LDAP Does Not Return All Active Directory Group Members Luckily when a … Continue reading
This post discusses how we can search Active Directory using ADSISearcher filters. Using search filters can improve search performance significantly. Consider the following where we create a default ADSISearcher to begin searching Active Directory (AD): $objSearcher=[adsisearcher]”” If we used this … Continue reading
This post provides a simple example of how we can export data to a CSV and maintain the column order: $csvFile = “c:\temp\alkane.csv” $exampledata = @(@(“John”,”37″),@(“Peter”,”14″),@(“Michelle”,”22″),@(“Abdul”,”31″),@(“Roger”,”22″),@(“Rachel”,”50″)) $csvwrapper = @() foreach($person in $exampledata) { $name = $person[0] $age = $person[1] #append … Continue reading
This post provides a simple example of how we can use ADSI to search groups in Active Directory. You may wish to further optimise this by using LDAP filters. #only groups $objSearcher=[adsisearcher]'(&(objectCategory=group))’ $objSearcher.PageSize = 200 #specify properties to include $colProplist … Continue reading
This post provides a simple example of how we can use ADSI to search computers in Active Directory. You may wish to further optimise this by using LDAP filters. #only computers $objSearcher=[adsisearcher]'(&(objectCategory=computer))’ $objSearcher.PageSize = 200 #specify properties to include $colProplist … Continue reading
This post provides a simple example of how we can use ADSI to search users in Active Directory. You may wish to further optimise this by using LDAP filters. $searcher=[adsisearcher]'(&(objectCategory=person)(objectClass=user))’ $searcher.PageSize = 200 $colProplist = “samaccountname” foreach ($i in $colPropList) … Continue reading
This post provides an example of how we can use ADSI to set and clear Active Directory Attributes. We search for a user called “alkaneuser” and set or clear the department attribute. $objSearcher=[adsisearcher]'(&(objectCategory=person)(objectClass=user)(sAMAccountName=alkaneuser))’ $colProplist = “samaccountname”,”department” foreach ($i in $colPropList) … Continue reading
This is a simple PowerShell script to list AD sites and subnets using PowerShell. $sites = [System.DirectoryServices.ActiveDirectory.Forest]::GetCurrentForest().Sites foreach ($site in $sites) { write-host “(site) $site” foreach ($subnet in $site.Subnets) { write-host “….(subnet) $subnet” foreach ($server in $site.Servers) { write-host “……..(server) … Continue reading
This post explains how we can use ADSI and FromFileTime to convert datetime attributes in Active Directory to a human-readable date and time. You’ll notice when you return attributes such as lastlogon, lastlogontimestamp and lastpwdset that the format of the … Continue reading