Source: bing.com: Use the Webmaster Tools to troubleshoot the crawling and indexing of your site, submit sitemaps and view statistics about your sites. Get data on how many pages of your site have been indexed, backlinks, inbound links and keyword performance.
To submit your site to Bing:
To request that Bing crawl your site, submit your site’s domain to http://www.bing.com/docs/submit.aspx.
To submit your Sitemap:
To submit an XML-based Sitemap for your site, copy and paste the below URL into the address bar of your browser–be sure to change “www.YourWebAddress.com” to your domain name–and then press ENTER:
Get the SEO Toolkit: The IIS Search Engine Optimization Toolkit helps improve a Web site’s relevance in search results