Updated hostname resolution

Private/Get-Hostname.ps1

@@ -7,7 +7,7 @@ function Get-Hostname ([string]$name) {
             $cmdbData = Search-ISMBO -bo cis -filter "AssetTag eq '$name'" -RawFilter
         } catch { $cmdbData = $null }
         if ( $cmdbData ) { return $cmdbData.Name, '' }
-        else { $errMsg += "$name Asset Tag not in SMBIOS or CMDB. " }
+        else { $errMsg += "$name Asset Tag not in SMBIOS nor CMDB`n" }
     }
     # Regex to match IP Address brought to you by https://stackoverflow.com/a/36760050
     if ($name -match "^((25[0-5]|(2[0-4]|1\d|[1-9]|)\d)\.?\b){4}$") {
@@ -15,7 +15,7 @@ function Get-Hostname ([string]$name) {
         if ($res -and $res.NameHost -and ($res.NameHost -match "([^.]*)\.int\.samhealth\.net")) {
             return $Matches[0],''
         } else {
-            $errMsg += "$name IP Address couldn't be resolved to hostname"
+            $errMsg += "$name IP Address couldn't be resolved to hostname`n"
         }
     }
     if ($name.Length -eq 7) {
@@ -25,20 +25,27 @@ function Get-Hostname ([string]$name) {
             $cmdbData = Search-ISMBO -bo cis -filter "SerialNumber eq '$name'" -RawFilter
         } catch { $cmdbData = $null }
         if ( $cmdbData ) { return $cmdbData.Name, '' }
-        else { $errMsg += "$name Service Tag not found in SCCM"}
+        else { $errMsg += "$name Service Tag not found in SCCM nor CMDB`n"}
     }
     # Regex to match MAC Address brought to you by https://stackoverflow.com/a/4260512
     if ($name -match "^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$") {
         $res = Get-SCCM_PCFromMAC $name
         if ($res) { return $res,'' }
-        else { $errMsg += "$name MAC Address not found in SCCM"}
+        else { $errMsg += "$name MAC Address not found in SCCM`n"}
     }
 
+    # Last resort checks
+    $sccmMatches = Get-SCCM_HostnameMatch $name
+    if ($SCCMMatches -and $SCCMMatches.Count -lt 2) {
+        return $SCCMMatches.Name,''
+    } elseif (!$SCCMMatches) { $errMsg += "No SCCM match found`n" }
+    elseif ($SCCMMatches.Count -ge 2) { $errMsg += "Many SCCM matches found`n" }
+
     $cmdbMatches = Find-ISMBO -bo cis -SearchQuery $name
     if ($cmdbMatches -and $cmdbMatches.Count -lt 2) {
         return $cmdbMatches.Name,''
-    } elseif (!$cmdbMatches) { $errMsg += "No CMDB match found" }
-    elseif ($cmdbMatches.Count -ge 2) { $errMsg += "Many CMDB matches found" }
+    } elseif (!$cmdbMatches) { $errMsg += "No CMDB match found`n" }
+    elseif ($cmdbMatches.Count -ge 2) { $errMsg += "Many CMDB matches found`n" }
 
     return $name, $errMsg
 }

Private/SCCMQuery.ps1

@@ -504,4 +504,10 @@ Function Get-SCCM_UserLastLoggedOn($user) {
     
     $computerSCCM = Get-WmiObject -namespace $SCCMNameSpace -DirectRead -computer $SCCMServer -query $SCCMUserQuery | Select-Object -ExpandProperty Name
     return $computerSCCM
+}
+
+Function Get-SCCM_HostnameMatch($name) {
+    $SCCMQuery = "select distinct SMS_R_System.Name from SMS_R_System where SMS_R_System.Name is like '%$name%'"
+    $res = Get-WmiObject -namespace $SCCMNameSpace -DirectRead -computer $SCCMServer -query $SCCMQuery | Select-Object -ExpandProperty Name
+    return $res
 }

Public/Get-PC.ps1

@@ -193,7 +193,7 @@ Function Get-PC {
 
 
         $searchResults = Search-CMDB -Location $searchInput | Sort-Object -Property Hostname 
-        if($searchResults -eq $null){
+        if($null -eq $searchResults){
             Write-Host 'No results for given search' -ForegroundColor Yellow
             return 
         }

patchnotes.txt

@@ -1,3 +1,6 @@
+Patch: 
+-Fix Hostnames now check SCCM for a name match as a fallback
+
 Patch: 2024-09-05
 -Fix Spark! hangs sometimes, added timeout in BatchInvokes