sp_pdw_remove_network_credentials (Azure Synapse Analytics)
Applies to: 
Azure Synapse Analytics
Analytics Platform System (PDW)
sp_pdw_remove_network_credentials removes network credentials stored in Azure Synapse Analytics to access a network file share. For example, use this stored procedure to remove permission for Azure Synapse Analytics to perform backup and restore operations on a server that resides within your own network.
Transact-SQL syntax conventions
Syntax
Syntax for Azure Synapse Analytics and Analytics Platform System (PDW).
sp_pdw_remove_network_credentials 'target_server_name'
Note
This syntax is not supported by serverless SQL pool in Azure Synapse Analytics.
Arguments
'target_server_name'
Specifies the target server host name or IP address. target_server_name is nvarchar(337) with no default. Credentials to access this server are removed from Azure Synapse Analytics. This doesn't change or remove any permissions on the actual target server, which is managed by your own team.
Return code values
0 (success) or 1 (failure).
Permissions
Requires ALTER SERVER STATE permission.
Error Handling
An error occurs if removing credentials doesn't succeed on the Control node and all Compute nodes.
Remarks
This stored procedure removes network credentials from the NetworkService account for Azure Synapse Analytics. The NetworkService account runs each instance of SMP SQL Server on the Control node and the Compute nodes. For example, when a backup operation runs, the Control node and each Compute node use the NetworkService account credentials to access the target server.
Metadata
To list all credentials and to verify the credentials have been removed, use sys.dm_pdw_network_credentials.
To add credentials, use sp_pdw_add_network_credentials (Azure Synapse Analytics).
Examples: Azure Synapse Analytics and Analytics Platform System (PDW)
A. Remove credentials for performing a database backup
The following example removes user name and password credentials for accessing the target server, which has an IP address of 10.192.147.63.
EXEC sp_pdw_remove_network_credentials '10.192.147.63';