diff --git a/lib/libzfs/libzfs_pool.c b/lib/libzfs/libzfs_pool.c
index 16b30d177..ef98b25bc 100644
--- a/lib/libzfs/libzfs_pool.c
+++ b/lib/libzfs/libzfs_pool.c
@@ -24,7 +24,7 @@
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2011, 2018 by Delphix. All rights reserved.
  * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>
- * Copyright (c) 2017 Datto Inc.
+ * Copyright (c) 2018 Datto Inc.
  * Copyright (c) 2017 Open-E, Inc. All Rights Reserved.
  */
 
@@ -3293,11 +3293,26 @@ zpool_vdev_remove(zpool_handle_t *zhp, const char *path)
 		break;
 
 	case EBUSY:
-		zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
-		    "Pool busy; removal may already be in progress"));
+		if (islog) {
+			zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+			    "Mount encrypted datasets to replay logs."));
+		} else {
+			zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+			    "Pool busy; removal may already be in progress"));
+		}
 		(void) zfs_error(hdl, EZFS_BUSY, msg);
 		break;
 
+	case EACCES:
+		if (islog) {
+			zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+			    "Mount encrypted datasets to replay logs."));
+			(void) zfs_error(hdl, EZFS_BUSY, msg);
+		} else {
+			(void) zpool_standard_error(hdl, errno, msg);
+		}
+		break;
+
 	default:
 		(void) zpool_standard_error(hdl, errno, msg);
 	}
diff --git a/module/zfs/zil.c b/module/zfs/zil.c
index da3ee4500..e8adc6d99 100644
--- a/module/zfs/zil.c
+++ b/module/zfs/zil.c
@@ -22,6 +22,7 @@
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2011, 2017 by Delphix. All rights reserved.
  * Copyright (c) 2014 Integros [integros.com]
+ * Copyright (c) 2018 Datto Inc.
  */
 
 /* Portions Copyright 2010 Robert Milkowski */
@@ -3159,7 +3160,7 @@ zil_suspend(const char *osname, void **cookiep)
 		mutex_exit(&zilog->zl_lock);
 		dsl_dataset_long_rele(dmu_objset_ds(os), suspend_tag);
 		dsl_dataset_rele(dmu_objset_ds(os), suspend_tag);
-		return (SET_ERROR(EBUSY));
+		return (SET_ERROR(EACCES));
 	}
 
 	zilog->zl_suspending = B_TRUE;
@@ -3400,6 +3401,9 @@ zil_reset(const char *osname, void *arg)
 	int error;
 
 	error = zil_suspend(osname, NULL);
+	/* EACCES means crypto key not loaded */
+	if ((error == EACCES) || (error == EBUSY))
+		return (SET_ERROR(error));
 	if (error != 0)
 		return (SET_ERROR(EEXIST));
 	return (0);