diff --git a/builder/azure/arm/azure_client.go b/builder/azure/arm/azure_client.go
index 1b81ec2f5..ab4330e37 100644
--- a/builder/azure/arm/azure_client.go
+++ b/builder/azure/arm/azure_client.go
@@ -9,6 +9,7 @@ import (
 	"net/url"
 	"os"
 	"strconv"
+	"time"
 
 	"github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2018-04-01/compute"
 	newCompute "github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2019-03-01/compute"
@@ -126,7 +127,7 @@ func byConcatDecorators(decorators ...autorest.RespondDecorator) autorest.Respon
 }
 
 func NewAzureClient(subscriptionID, resourceGroupName, storageAccountName string,
-	cloud *azure.Environment,
+	cloud *azure.Environment, SharedGalleryTimeout time.Duration,
 	servicePrincipalToken, servicePrincipalTokenVault *adal.ServicePrincipalToken) (*AzureClient, error) {
 
 	var azureClient = &AzureClient{}
@@ -210,6 +211,7 @@ func NewAzureClient(subscriptionID, resourceGroupName, storageAccountName string
 	azureClient.GalleryImageVersionsClient.RequestInspector = withInspection(maxlen)
 	azureClient.GalleryImageVersionsClient.ResponseInspector = byConcatDecorators(byInspecting(maxlen), errorCapture(azureClient))
 	azureClient.GalleryImageVersionsClient.UserAgent = fmt.Sprintf("%s %s", useragent.String(), azureClient.GalleryImageVersionsClient.UserAgent)
+	azureClient.GalleryImageVersionsClient.Client.PollingDuration = SharedGalleryTimeout
 
 	azureClient.GalleryImagesClient = newCompute.NewGalleryImagesClientWithBaseURI(cloud.ResourceManagerEndpoint, subscriptionID)
 	azureClient.GalleryImagesClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
diff --git a/builder/azure/arm/builder.go b/builder/azure/arm/builder.go
index 7b64e0b15..2be58819d 100644
--- a/builder/azure/arm/builder.go
+++ b/builder/azure/arm/builder.go
@@ -90,6 +90,7 @@ func (b *Builder) Run(ctx context.Context, ui packer.Ui, hook packer.Hook) (pack
 		b.config.ResourceGroupName,
 		b.config.StorageAccount,
 		b.config.cloudEnvironment,
+		b.config.SharedGalleryTimeout,
 		spnCloud,
 		spnKeyVault)
 
diff --git a/builder/azure/arm/config.go b/builder/azure/arm/config.go
index af34754dc..5e9b8905c 100644
--- a/builder/azure/arm/config.go
+++ b/builder/azure/arm/config.go
@@ -96,6 +96,7 @@ type Config struct {
 
 	// Shared Gallery Destination
 	SharedGalleryDestination SharedImageGalleryDestination `mapstructure:"shared_image_gallery_destination"`
+	SharedGalleryTimeout     time.Duration                 `mapstructure:"shared_image_gallery_timeout"`
 
 	// Compute
 	ImagePublisher string `mapstructure:"image_publisher"`
@@ -648,6 +649,10 @@ func assertRequiredParametersSet(c *Config, errs *packer.MultiError) {
 			errs = packer.MultiErrorAppend(errs, fmt.Errorf("A list of replication_regions must be specified for shared_image_gallery_destination"))
 		}
 	}
+	if c.SharedGalleryTimeout == 0 {
+		// default to a one-hour timeout. In the sdk, the default is 15 m.
+		c.SharedGalleryTimeout = 60 * time.Minute
+	}
 
 	if c.ManagedImageOSDiskSnapshotName != "" {
 		if ok, err := assertManagedImageOSDiskSnapshotName(c.ManagedImageOSDiskSnapshotName, "managed_image_os_disk_snapshot_name"); !ok {