diff --git a/pkg/asset/cluster/powervs/powervs.go b/pkg/asset/cluster/powervs/powervs.go
index 637b1d4bc0..c9a471cece 100644
--- a/pkg/asset/cluster/powervs/powervs.go
+++ b/pkg/asset/cluster/powervs/powervs.go
@@ -3,6 +3,7 @@ package powervs
 
 import (
 	"context"
+	"time"
 
 	icpowervs "github.com/openshift/installer/pkg/asset/installconfig/powervs"
 	"github.com/openshift/installer/pkg/types"
@@ -11,8 +12,36 @@ import (
 
 // Metadata converts an install configuration to PowerVS metadata.
 func Metadata(config *types.InstallConfig, meta *icpowervs.Metadata) (*powervs.Metadata, error) {
-	cisCRN, _ := meta.CISInstanceCRN(context.TODO())
-	dnsCRN, _ := meta.DNSInstanceCRN(context.TODO())
+	var (
+		ctx    context.Context
+		cancel context.CancelFunc
+		err    error
+	)
+
+	// Update the saved session storage with the install config since the session
+	// storage is used as the defaults.
+	err = icpowervs.UpdateSessionStoreToAuthFile(&icpowervs.SessionStore{
+		ID:                   config.PowerVS.UserID,
+		DefaultRegion:        config.PowerVS.Region,
+		DefaultZone:          config.PowerVS.Zone,
+		PowerVSResourceGroup: config.PowerVS.PowerVSResourceGroup,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	ctx, cancel = context.WithTimeout(context.TODO(), 1*time.Minute)
+	defer cancel()
+
+	cisCRN, err := meta.CISInstanceCRN(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	dnsCRN, err := meta.DNSInstanceCRN(ctx)
+	if err != nil {
+		return nil, err
+	}
 
 	overrides := config.Platform.PowerVS.ServiceEndpoints
 	if config.Publish == types.InternalPublishingStrategy &&
@@ -25,7 +54,7 @@ func Metadata(config *types.InstallConfig, meta *icpowervs.Metadata) (*powervs.M
 		if err != nil {
 			return nil, err
 		}
-		overrides = meta.SetDefaultPrivateServiceEndpoints(context.TODO(), overrides, cosRegion, vpcRegion)
+		overrides = meta.SetDefaultPrivateServiceEndpoints(ctx, overrides, cosRegion, vpcRegion)
 	}
 
 	return &powervs.Metadata{
diff --git a/pkg/asset/installconfig/powervs/session.go b/pkg/asset/installconfig/powervs/session.go
index 9dc0d708b6..92d1ed07f6 100644
--- a/pkg/asset/installconfig/powervs/session.go
+++ b/pkg/asset/installconfig/powervs/session.go
@@ -417,6 +417,41 @@ func saveSessionStoreToAuthFile(pss *SessionStore) error {
 	return os.WriteFile(authFilePath, jsonVars, 0o600)
 }
 
+// UpdateSessionStoreToAuthFile updates the saved session store structure on the disk.
+func UpdateSessionStoreToAuthFile(update *SessionStore) error {
+	var (
+		original SessionStore
+		err      error
+	)
+
+	if update == nil {
+		return fmt.Errorf("empty session store passed to UpdateSessionStoreToAuthFile")
+	}
+
+	err = getSessionStoreFromAuthFile(&original)
+	if err != nil {
+		return err
+	}
+
+	if update.ID != "" {
+		original.ID = update.ID
+	}
+	if update.APIKey != "" {
+		original.APIKey = update.APIKey
+	}
+	if update.DefaultRegion != "" {
+		original.DefaultRegion = update.DefaultRegion
+	}
+	if update.DefaultZone != "" {
+		original.DefaultZone = update.DefaultZone
+	}
+	if update.PowerVSResourceGroup != "" {
+		original.PowerVSResourceGroup = update.PowerVSResourceGroup
+	}
+
+	return saveSessionStoreToAuthFile(&original)
+}
+
 func getEnv(envs []string) string {
 	for _, k := range envs {
 		if v := os.Getenv(k); v != "" {
diff --git a/pkg/asset/machines/worker.go b/pkg/asset/machines/worker.go
index 09479dd188..fa6f8b0ef7 100644
--- a/pkg/asset/machines/worker.go
+++ b/pkg/asset/machines/worker.go
@@ -191,6 +191,19 @@ func defaultPowerVSMachinePoolPlatform(ic *types.InstallConfig) powervstypes.Mac
 		err      error
 	)
 
+	// Update the saved session storage with the install config since the session
+	// storage is used as the defaults.
+	err = powervsconfig.UpdateSessionStoreToAuthFile(&powervsconfig.SessionStore{
+		ID:                   ic.PowerVS.UserID,
+		DefaultRegion:        ic.PowerVS.Region,
+		DefaultZone:          ic.PowerVS.Zone,
+		PowerVSResourceGroup: ic.PowerVS.PowerVSResourceGroup,
+	})
+	if err != nil {
+		fallback = true
+		logrus.Warnf("could not UpdateSessionStoreToAuthFile in defaultPowerVSMachinePoolPlatform")
+	}
+
 	client, err = powervsconfig.NewClient()
 	if err != nil {
 		fallback = true