Windows Admin Center is a web application that makes it easier to manage multiple servers via multiple Microsoft tools such System Center, RSAT, Intune, and PowerShell. If you install Windows Admin Center in an IIS server, you may come across “503 Service Unavailable” error.
Note: This post explains 503 error related to Windows Admin Center only. If the root cause is not this product, check this post out: HTTP 503 Service Unavailable (Application pool has been disabled)
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CCS (Centralized Certificate Store) is feature we started using after IIS 8. It allows IIS to pick up website certificates from a network share instead of the local certificate store. For environments with multiple IIS servers, this is a feature that makes system administrators’ lives a lot easier. All you need to do is to add an IIS binding that points to CCS.
There are two steps to use CCS:
Windows has language packages that store country specific settings such as short date format. I have recently came across an issue that was caused by an update in Canada’s language package.
Starting with Windows Server 2012 and Windows 8, the default date format for English (Canada) – short name is en-CA – was changed from dd/MM/yyyy to yyyy-MM-dd.
Microsoft is not planning to revert this change as yyyy-MM-dd is the recommended date format by The Government of Canada. However, there is no binding legislation so other formats are also used.
The Government of Canada recommends that all-numeric dates in both English and French use the YYYY–MM–DD format codified in ISO 8601.[10] The Standards Council of Canada also specifies this as the country’s date format.[11][12]
The YYYY–MM–DD format is the only method of writing a numeric date in Canada that allows unambiguous interpretation, and the only officially recommended format.[2] The presence of the DD/MM/YY (international) and MM/DD/YY (American) formats often results in misinterpretation. Using these systems, the date 7 January 2016 could be written as either 07/01/16 or 01/07/16, which readers can also interpret as 1 July 2016 (or 1916); conversely, 2016-01-07 cannot be interpreted as another date.
In spite of its official status and broad usage, there is no binding legislation requiring the use of the YYYY–MM–DD format, and other date formats continue to appear in many contexts.
Date and time notation in Canada
There is a proposed legislation to settle the date format debate. More information about the date/time implementation in Canada can be found in this page.