diff --git a/polkadot-parachains/integritee-runtime/src/lib.rs b/polkadot-parachains/integritee-runtime/src/lib.rs
index c0470054..ea6b6a03 100644
--- a/polkadot-parachains/integritee-runtime/src/lib.rs
+++ b/polkadot-parachains/integritee-runtime/src/lib.rs
@@ -25,8 +25,9 @@ include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
 
 use codec::{Decode, Encode, MaxEncodedLen};
 use cumulus_pallet_parachain_system::RelayNumberStrictlyIncreases;
-use frame_support::traits::{
-	ConstBool, EqualPrivilegeOnly, Imbalance, InstanceFilter, OnUnbalanced,
+use frame_support::{
+	instances::{Instance1, Instance2},
+	traits::{ConstBool, EqualPrivilegeOnly, Imbalance, InstanceFilter, OnUnbalanced},
 };
 pub use opaque::*;
 use pallet_collective;
@@ -825,6 +826,14 @@ pub type CheckedExtrinsic = generic::CheckedExtrinsic<AccountId, RuntimeCall, Si
 pub type Migrations = (
 	migrations_fix::preimage::v1::MigrateToV1<Runtime>,
 	migrations_fix::bounties::v4::MigrateToV4<Runtime>,
+	// Multisig
+	pallet_multisig::migrations::v1::MigrateToV1<Runtime>,
+	// Collective
+	// migration changes the pallet name prefix (back in 2021). no need to touch this. I guess this has been left untouched when we migrated solo to para
+	// for consistency, we will bruteforce to V4
+	// future: v1.6.0 is still at V4.
+	migrations_fix::collective::v4::MigrateToV4<Runtime, Instance1>,
+	migrations_fix::collective::v4::MigrateToV4<Runtime, Instance2>,
 );
 
 /// Executive: handles dispatch to the various modules.
diff --git a/polkadot-parachains/integritee-runtime/src/migrations_fix.rs b/polkadot-parachains/integritee-runtime/src/migrations_fix.rs
index 1a5fde53..0783ca47 100644
--- a/polkadot-parachains/integritee-runtime/src/migrations_fix.rs
+++ b/polkadot-parachains/integritee-runtime/src/migrations_fix.rs
@@ -140,9 +140,6 @@ pub mod scheduler {
 }
 
 pub mod collective {
-	// this is necessary because migrations from v0 to v3 are no longer available in the scheduler
-	// pallet code and migrating is only possible from v3. The strategy here is to empty the agenda
-	// (has been empty since genesis)
 	use frame_support::traits::OnRuntimeUpgrade;
 	use pallet_collective::*;
 
@@ -151,20 +148,18 @@ pub mod collective {
 
 	pub mod v4 {
 		use super::*;
-		use frame_support::pallet_prelude::*;
+		use frame_support::{pallet_prelude::*, traits::Instance};
 		use sp_std::vec::Vec;
 
-		/// Migrate the scheduler pallet from V0 to V4 without changing storage. the only active schedule has been submitted already in V4
-		pub struct MigrateToV4<T>(sp_std::marker::PhantomData<T>);
-
-		impl<T: Config> OnRuntimeUpgrade for MigrateToV4<T> {
+		pub struct MigrateToV4<T: Config<I>, I: 'static>(sp_std::marker::PhantomData<(T, I)>);
+		impl<T: Config<I>, I: Instance + 'static> OnRuntimeUpgrade for MigrateToV4<T, I> {
 			#[cfg(feature = "try-runtime")]
 			fn pre_upgrade() -> Result<Vec<u8>, sp_runtime::DispatchError> {
 				Ok((0u32).encode())
 			}
 
 			fn on_runtime_upgrade() -> Weight {
-				let onchain_version = Pallet::<T>::on_chain_storage_version();
+				let onchain_version = Pallet::<T, I>::on_chain_storage_version();
 				if onchain_version >= 3 {
 					log::warn!(
 						target: TARGET,
@@ -175,14 +170,14 @@ pub mod collective {
 					return T::DbWeight::get().reads(1)
 				}
 				log::info!(target: TARGET, "migrating from {:?} to 4", onchain_version);
-				StorageVersion::new(4).put::<Pallet<T>>();
+				StorageVersion::new(4).put::<Pallet<T, I>>();
 
 				T::DbWeight::get().reads_writes(1, 1)
 			}
 
 			#[cfg(feature = "try-runtime")]
 			fn post_upgrade(_state: Vec<u8>) -> Result<(), sp_runtime::DispatchError> {
-				ensure!(StorageVersion::get::<Pallet<T>>() == 4, "Must upgrade");
+				ensure!(StorageVersion::get::<Pallet<T, I>>() == 4, "Must upgrade");
 				Ok(())
 			}
 		}
@@ -304,7 +299,7 @@ pub mod bounties {
 			}
 
 			#[cfg(feature = "try-runtime")]
-			fn post_upgrade(state: Vec<u8>) -> Result<(), sp_runtime::DispatchError> {
+			fn post_upgrade(_state: Vec<u8>) -> Result<(), sp_runtime::DispatchError> {
 				ensure!(StorageVersion::get::<Pallet<T>>() == 4, "Must upgrade");
 				Ok(())
 			}
@@ -326,9 +321,26 @@ pub mod preimage {
 
 	pub mod v1 {
 		use super::*;
-		use frame_support::pallet_prelude::*;
+		use frame_support::{pallet_prelude::*, traits::Currency};
 		use sp_std::vec::Vec;
 
+		const MAX_SIZE: u32 = 4 * 1024 * 1024;
+		type BalanceOf<T> =
+			<<T as Config>::Currency as Currency<<T as frame_system::Config>::AccountId>>::Balance;
+
+		//these are actually the same types as in the current version of the pallet.
+		#[frame_support::storage_alias]
+		pub(super) type StatusFor<T: Config> = StorageMap<
+			Pallet<T>,
+			Identity,
+			crate::Hash,
+			RequestStatus<crate::AccountId, BalanceOf<T>>,
+		>;
+
+		#[frame_support::storage_alias]
+		pub(super) type PreimageFor<T: Config> =
+			StorageMap<Pallet<T>, Identity, (crate::Hash, u32), BoundedVec<u8, ConstU32<MAX_SIZE>>>;
+
 		pub struct MigrateToV1<T>(sp_std::marker::PhantomData<T>);
 
 		impl<T: Config> OnRuntimeUpgrade for MigrateToV1<T> {
@@ -336,6 +348,7 @@ pub mod preimage {
 			fn pre_upgrade() -> Result<Vec<u8>, sp_runtime::DispatchError> {
 				let images = PreimageFor::<T>::iter_values().count() as u32;
 				let status = StatusFor::<T>::iter_values().count() as u32;
+				log::info!(target: TARGET, "PreImageFor decoded: {}, StatusFor decoded {}", images, status);
 				assert_eq!(images, status);
 				Ok(0u32.encode())
 			}
@@ -358,7 +371,7 @@ pub mod preimage {
 			}
 
 			#[cfg(feature = "try-runtime")]
-			fn post_upgrade(state: Vec<u8>) -> Result<(), sp_runtime::DispatchError> {
+			fn post_upgrade(_state: Vec<u8>) -> Result<(), sp_runtime::DispatchError> {
 				ensure!(StorageVersion::get::<Pallet<T>>() == 1, "Must upgrade");
 				Ok(())
 			}