diff --git a/a3p-integration/proposals/a:vaults-auctions/upgradeVaults.test.js b/a3p-integration/proposals/a:vaults-auctions/upgradeVaults.test.js
index 17b0d213367..ceb07eee31b 100644
--- a/a3p-integration/proposals/a:vaults-auctions/upgradeVaults.test.js
+++ b/a3p-integration/proposals/a:vaults-auctions/upgradeVaults.test.js
@@ -73,19 +73,20 @@ const triggerAuction = async t => {
   t.is(atomOut, '+5200000');
 };
 
-function newAuctioneerFromNewBundle(details) {
+// contract vat names are based on bundleID
+const ORIGINAL_AUCTION_VAT_NAME = 'zcf-b1-a5683-auctioneer';
+
+const newAuctioneerFromNewBundle = details => {
   for (const detail of details) {
-    // contract vat names are based on bundleID
-    const originalAuctionVatName = 'zcf-b1-a5683-auctioneer';
     if (
       !detail.vatName.includes('governor') &&
-      detail.vatName !== originalAuctionVatName
+      detail.vatName !== ORIGINAL_AUCTION_VAT_NAME
     ) {
       return true;
     }
   }
   return false;
-}
+};
 
 const checkAuctionVat = async t => {
   const details = await getDetailsMatchingVats('auctioneer');
diff --git a/packages/inter-protocol/src/proposals/add-auction.js b/packages/inter-protocol/src/proposals/add-auction.js
index 226ff498c54..81411f6ebf8 100644
--- a/packages/inter-protocol/src/proposals/add-auction.js
+++ b/packages/inter-protocol/src/proposals/add-auction.js
@@ -26,7 +26,6 @@ export const addAuction = async (
       priceAuthority,
       chainStorage,
       economicCommitteeCreatorFacet: electorateCreatorFacet,
-      agoricNamesAdmin,
       auctioneerKit: legacyKitP,
     },
     produce: { newAuctioneerKit, auctionsUpgradeComplete },
@@ -35,6 +34,7 @@ export const addAuction = async (
     },
     installation: {
       consume: { contractGovernor: contractGovernorInstallation },
+      produce: { auctioneer: produceInstallation },
     },
     issuer: {
       consume: { [Stable.symbol]: stableIssuerP },
@@ -54,6 +54,8 @@ export const addAuction = async (
    * >}
    */
   const installationP = E(zoe).installBundleID(bundleID);
+  produceInstallation.reset();
+  produceInstallation.resolve(installationP);
 
   const [
     initialPoserInvitation,
@@ -67,16 +69,6 @@ export const addAuction = async (
     legacyKitP,
   ]);
 
-  await E.when(
-    installationP,
-    installation =>
-      E(E(agoricNamesAdmin).lookupAdmin('installation')).update(
-        'auctioneer',
-        installation,
-      ),
-    err => console.error(`🚨 failed to update vaultFactory installation`, err),
-  );
-
   // Each field has an extra layer of type +  value:
   // AuctionStartDelay: { type: 'relativeTime', value: { relValue: 2n, timerBrand: Object [Alleged: timerBrand] {} } }
   /** @type {any} */
@@ -187,7 +179,6 @@ export const ADD_AUCTION_MANIFEST = harden({
       priceAuthority: true,
       chainStorage: true,
       economicCommitteeCreatorFacet: true,
-      agoricNamesAdmin: true,
       auctioneerKit: true,
     },
     produce: {
@@ -202,6 +193,7 @@ export const ADD_AUCTION_MANIFEST = harden({
         auctioneer: true,
         contractGovernor: true,
       },
+      produce: { auctioneer: true },
     },
     issuer: {
       consume: { [Stable.symbol]: true },
diff --git a/packages/inter-protocol/src/proposals/upgrade-vaults.js b/packages/inter-protocol/src/proposals/upgrade-vaults.js
index fe87d634ad8..4b6bc0e7349 100644
--- a/packages/inter-protocol/src/proposals/upgrade-vaults.js
+++ b/packages/inter-protocol/src/proposals/upgrade-vaults.js
@@ -58,6 +58,9 @@ export const upgradeVaults = async (
       newAuctioneerKit: tempAuctioneerKit,
       auctionsUpgradeComplete: auctionsUpgradeCompleteProducer,
     },
+    installation: {
+      produce: { VaultFactory: produceVaultInstallation },
+    },
     instance: {
       produce: { auctioneer: auctioneerProducer },
     },
@@ -78,27 +81,13 @@ export const upgradeVaults = async (
    *   Installation<import('../../src/vaultFactory/vaultFactory.js')['start']>
    * >}
    */
-  let installationP;
+  const installationP = E(zoe).installBundleID(bundleID);
+  produceVaultInstallation.reset();
+  produceVaultInstallation.resolve(installationP);
 
   await auctionsUpgradeComplete;
   auctionsUpgradeCompleteProducer.reset();
 
-  if (vaultsRef) {
-    if (bundleID) {
-      installationP = E(zoe).installBundleID(bundleID);
-      await E.when(
-        installationP,
-        installation =>
-          E(E(agoricNamesAdmin).lookupAdmin('installation')).update(
-            'vaultFactory',
-            installation,
-          ),
-        err =>
-          console.error(`🚨 failed to update vaultFactory installation`, err),
-      );
-    }
-  }
-
   const readCurrentDirectorParams = async () => {
     const { publicFacet: directorPF } = kit;
 
@@ -282,6 +271,9 @@ export const getManifestForUpgradeVaults = async (
         newAuctioneerKit: uV,
         auctionsUpgradeComplete: uV,
       },
+      installation: {
+        produce: { VaultFactory: true },
+      },
       instance: { produce: { auctioneer: uV, newAuctioneerKit: uV } },
     },
   },