Migration from apache ro IIS – E:Headers already sent

I moved a wordpress installation from an Linux’s apache hosting to a Windows’ IIS hosting.

The new location
The old location

When I go here, I get warnings as you see.

I will attach all the relevant files and error messages. Please help me out.

Thanks

On loging in, I get

Warning: Cannot modify header information - headers already sent by (output started at C:\HostingSpaces\maxximas\expertsglobal.com\wwwroot\test\wp-config.php:1) in C:\HostingSpaces\maxximas\expertsglobal.com\wwwroot\test\wp-login.php on line 302

Warning: Cannot modify header information - headers already sent by (output started at C:\HostingSpaces\maxximas\expertsglobal.com\wwwroot\test\wp-config.php:1) in C:\HostingSpaces\maxximas\expertsglobal.com\wwwroot\test\wp-login.php on line 314

Warning: Cannot modify header information - headers already sent by (output started at C:\HostingSpaces\maxximas\expertsglobal.com\wwwroot\test\wp-config.php:1) in C:\HostingSpaces\maxximas\expertsglobal.com\wwwroot\test\wp-includes\pluggable.php on line 665

Warning: Cannot modify header information - headers already sent by (output started at C:\HostingSpaces\maxximas\expertsglobal.com\wwwroot\test\wp-config.php:1) in C:\HostingSpaces\maxximas\expertsglobal.com\wwwroot\test\wp-includes\pluggable.php on line 666

Warning: Cannot modify header information - headers already sent by (output started at C:\HostingSpaces\maxximas\expertsglobal.com\wwwroot\test\wp-config.php:1) in C:\HostingSpaces\maxximas\expertsglobal.com\wwwroot\test\wp-includes\pluggable.php on line 667

Warning: Cannot modify header information - headers already sent by (output started at C:\HostingSpaces\maxximas\expertsglobal.com\wwwroot\test\wp-config.php:1) in C:\HostingSpaces\maxximas\expertsglobal.com\wwwroot\test\wp-includes\pluggable.php on line 864

Here is the wp-config.php

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