Increase in subdomain limit for website exclusions

We have increased the limit of subdomains allowed in a website exclusion from two to three, based on customer requests. This will allow customers who are placing exclusions for URLs based on two-part top-level domains (TLDs) such as “” more flexibility in determining the subdomain at which exclusion occurs. The number of allowed subdirectories remains unchanged at two.


For example, the following are valid URLs,


The following are invalid URLs:

  • (too many subdomains)
  • (too many subdirectories)


For more details on website exclusions, please refer to MSDN documentation.