Enabling Reporting services for FIPS
To enable Reporting Service to use FIPS complaint algorithm:
- 
             Navigate to the install path of the Reporting Service. In the
			 ReportManger folder, edit the web.config XML file to locate the
			 <system.web> section. 
		  
            
				
			             - 
            Add the following <machineKey> section in the
			 <system.web> section: 
		  
            
<machineKey validationKey="AutoGenerate,IsolateApps" decryptionKey="AutoGenerate,IsolateApps" validation="3DES" decryption="3DES"/>
 - Save the Web.config file.
 - 
            Similarly, navigate to the install path of the Reporting Service.
			 Inside ReportServer folder, edit the web.config XML file to locate the
			 <system.web> section. 
		  
            
				
			             - 
            Add the following <machineKey> section inside the
			 <system.web> section; 
		  
            
<machineKey validationKey="AutoGenerate,IsolateApps" decryptionKey="AutoGenerate,IsolateApps"validation="3DES" decryption="3DES"/>.
 - Save the Web.config file.
 - Stop and Start all SQL Server Services.