diff --git a/app/Console/Commands/NodelistImport.php b/app/Console/Commands/NodelistImport.php
index 38e1abb..801e79a 100644
--- a/app/Console/Commands/NodelistImport.php
+++ b/app/Console/Commands/NodelistImport.php
@@ -36,13 +36,20 @@ class NodelistImport extends Command
 	 */
 	public function handle()
 	{
-		return Job::dispatchSync(
-			is_numeric($x=$this->argument('file')) ? File::findOrFail($x) : $x,
-			$this->argument('domain'),
-			$this->option('delete'),
-			$this->option('unlink'),
-			$this->option('test'),
-			$this->option('ignorecrc'),
-		);
+		try {
+			return Job::dispatchSync(
+				is_numeric($x=$this->argument('file'))
+					? File::findOrFail($x)
+					: sprintf('%s/%s',config('fido.dir'),$this->argument('file')),
+				$this->argument('domain'),
+				$this->option('delete'),
+				$this->option('unlink'),
+				$this->option('test'),
+				$this->option('ignorecrc'),
+			);
+
+		} catch (\Exception $e) {
+			$this->error($e->getMessage());
+		}
 	}
 }
\ No newline at end of file
diff --git a/app/Jobs/NodelistImport.php b/app/Jobs/NodelistImport.php
index d08b0a0..3852857 100644
--- a/app/Jobs/NodelistImport.php
+++ b/app/Jobs/NodelistImport.php
@@ -13,7 +13,7 @@ use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Str;
 
-use App\Models\{Address, Domain, File, Mailer, Nodelist, Setup, System, Zone};
+use App\Models\{Address,Domain,File,Mailer,Nodelist,Setup,System,SystemZone,User,Zone};
 use App\Traits\Import as ImportTrait;
 
 class NodelistImport implements ShouldQueue
@@ -75,6 +75,26 @@ class NodelistImport implements ShouldQueue
 	public function handle()
 	{
 		$us = Setup::findOrFail(config('app.id'));
+		$our_systems = SystemZone::select('system_id')
+			->get()
+			->pluck('system')
+			->flatten()
+			->pluck('addresses')
+			->flatten()
+			->filter(function($item) { return $item->active; })
+			->pluck('id');
+
+		$our_users = User::with(['systems.addresses'])
+			->get()
+			->pluck('systems')
+			->flatten()
+			->pluck('addresses')
+			->flatten()
+			->filter(function($item) { return $item->active; })
+			->pluck('id')
+			->diff($our_systems);
+
+		$our_addresses = $us->system->addresses->pluck('id');
 
 		// Get the file from the host
 		$file = $this->getFileFromHost(self::importkey,$this->file);
@@ -119,6 +139,11 @@ class NodelistImport implements ShouldQueue
 
 		if ($this->delete_recs)
 			$no->addresses()->detach();
+		elseif ($no->addresses->count()) {
+			Log::error($x=sprintf('%s:! Nodelist [%s] for [%s] has existing records [%d]',self::LOGKEY,$date,$do->name,$no->addresses->count()));
+
+			throw new \Exception($x);
+		}
 
 		$p = $c = 0;
 
@@ -244,8 +269,31 @@ class NodelistImport implements ShouldQueue
 			$ao->role = $role;
 			$ao->hub_id = $hub_id;
 
-			if ($ao->exists)
-				Log::debug(sprintf('%s:- Processing existing address [%s]',self::LOGKEY,$ao->ftn));
+			if ($ao->exists) {
+				Log::info(sprintf('%s:- Processing existing address [%s] (%d)',self::LOGKEY,$ao->ftn,$ao->id));
+
+				// If the address is linked to a user's system, or our system, we'll not process it any further
+				$skip = FALSE;
+				if ($our_addresses->contains($ao->id)) {
+					Log::info(sprintf('%s:! Ignoring updating an address belonging to me',self::LOGKEY));
+					$skip = TRUE;
+				}
+
+				if ($our_systems->contains($ao->id)) {
+					Log::info(sprintf('%s:! Ignoring a system managed by this site',self::LOGKEY));
+					$skip = TRUE;
+				}
+
+				if ($our_users->contains($ao->id)) {
+					Log::info(sprintf('%s:! Ignoring a system managed by a user',self::LOGKEY));
+					$skip = TRUE;
+				}
+
+				if ($skip) {
+					$no->addresses()->attach($ao,['role'=>$ao->role]);
+					continue;
+				}
+			}
 
 			$sysop = trim(str_replace('_',' ',$fields[4]));
 			$system = trim(str_replace('_',' ',$fields[2]));
@@ -376,22 +424,19 @@ class NodelistImport implements ShouldQueue
 				Log::info(sprintf('%s:= Matched [%s] to existing system [%s] with address [%s]',self::LOGKEY,$ao->ftn,$ao->system->name,$ao->system->address));
 				$so = $ao->system;
 
-				// Dont change the system details if a user exists here, or its us
-				if ((! $so->users->count()) && ($so->id != $us->system_id)) {
-					// If the sysop name is different
-					if ($so->sysop !== $sysop) {
-						Log::alert(sprintf('%s:! Sysop Name changed for BBS [%s:%s] from [%s] to [%s]',
-							self::LOGKEY,$so->id,$so->name,$so->sysop,$sysop));
+				// If the sysop name is different
+				if ($so->sysop !== $sysop) {
+					Log::alert(sprintf('%s:! Sysop Name changed for BBS [%s:%s] from [%s] to [%s]',
+						self::LOGKEY,$so->id,$so->name,$so->sysop,$sysop));
 
-						$so->sysop = $sysop;
+					$so->sysop = $sysop;
 
-					// We have the same name has changed (except for ZC/RC addresses)
-					} elseif (($so->name !== $system) && (! ((Address::NODE_ZC|Address::NODE_RC|Address::NODE_NC) & $ao->role))) {
-						Log::alert(sprintf('%s:! System Name changed for BBS [%s:%s] to [%s]',
-							self::LOGKEY,$so->id,$so->name,$system));
+				// We have the same name has changed (except for ZC/RC addresses)
+				} elseif (($so->name !== $system) && (! ((Address::NODE_ZC|Address::NODE_RC|Address::NODE_NC) & $ao->role))) {
+					Log::alert(sprintf('%s:! System Name changed for BBS [%s:%s] to [%s]',
+						self::LOGKEY,$so->id,$so->name,$system));
 
-						$so->name = $system;
-					}
+					$so->name = $system;
 				}
 
 			// We'll search and see if we already have that system
@@ -444,18 +489,6 @@ class NodelistImport implements ShouldQueue
 			$so->baud = $fields[6];
 			*/
 
-			if ($so->getDirty()) {
-				if ($so->users->count()) {
-					Log::alert(sprintf('%s:! Refusing to update a system managed by a user',self::LOGKEY),['dirty'=>$so->getDirty()]);
-					continue;
-				}
-
-				if ($so->sessions()->count()) {
-					Log::alert(sprintf('%s:! Refusing to update a system configured here',self::LOGKEY),['dirty'=>$so->getDirty()]);
-					continue;
-				}
-			}
-
 			// Save the system record
 			try {
 				$so->save();
@@ -505,16 +538,20 @@ class NodelistImport implements ShouldQueue
 		}
 
 		// Remove addresses not recorded;
-		$remove = $zo->addresses->except($us->system->addresses->pluck('id')->toArray())->diff($no->addresses);
+		$no->load('addresses');
+		$remove = $zo->addresses->diff($no->addresses)->except($our_systems->toArray())->except($our_users->toArray());
 		Log::alert(sprintf('%s:%% Deleting [%d] addresses [%s]',self::LOGKEY,$remove->count(),$remove->pluck('ftn2d')->join(',')));
 		Address::whereIN('id',$remove->pluck('id')->toArray())->update(['active'=>FALSE]);
 		Address::whereIN('id',$remove->pluck('id')->toArray())->delete();
 
-		if ((! $this->testmode) && ($this->ignore_crc || ($x=crc16(substr($tocrc,0,-3))) === $file_crc)) {
+		$crc = crc16(substr($tocrc,0,-3));
+
+		if ((! $this->testmode) && ($this->ignore_crc || ($crc === $file_crc))) {
 			Log::info(sprintf('%s:= Committing nodelist',self::LOGKEY));
 			DB::commit();
+
 		} else {
-			Log::error(sprintf('%s:! Rolling back nodelist, CRC doesnt match [%s](%s) or test mode',self::LOGKEY,$x,$file_crc));
+			Log::error(sprintf('%s:! Rolling back nodelist, CRC doesnt match [%s](%s) or test mode',self::LOGKEY,$crc,$file_crc));
 			DB::rollBack();
 		}