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Blank page (auth.owa Http 500) when logging into Outlook Web Access running on Exchange 2010

OK.. after a few updates have noticed that the OWA was not working .  Nothing new there..    No one  could access their e-mails via the web.

  Checking the IIS logs, I found that the error was 500 which indicated some kind of authentication error.

A little power-shell cmdlet you can run is Test-OWAConnectivity. So I ran the cmdlet and recieved WARNING: An unknown failure occurred during logon. So I checked IIS and ensured that all of the authentication was set correctly and indeed it was.  So after some poking around on the web I found out Exchange 2010 palms off the Forms Based Authentication to a separate Service called  Microsoft ExchangeForms-Based Authentication Service. Starting this service fixed the blank page issue and allowed clients to authenticate correctly. So simple cure to a blank problem.. make sure that  Microsoft ExchangeForms-Based Authentication Service is running...

Tax and NI Codes for 2012/13

Tax and NI Codes for 2012/13

PAYE tax and Class 1 NICs

Tax thresholds, rates and codes for 2012 / 2013
PAYE tax rates, thresholds and codes Figures to use 2012-13
PAYE tax threshold £156 per week £675 per month £8,105 per year
Basic tax rate 20% on annual earnings above the PAYE tax threshold and up to £34,370
Higher tax rate 40% on annual earnings from £34,371 to £150,000
Additional tax rate 50% on annual earnings above £150,000
Emergency tax code 810L
 

Class 1 NICs: thresholds

Class 1 NICs thresholds Figures to use 2012-13
Lower earnings limit (LEL) £107 per week £464 per month £5,564 per year
Secondary Threshold (ST) £144 per week £624 per month £7,488 per year
Primary Threshold (PT) £146 per week £634 per month £7,605 per year
Upper accrual point (UAP) £770 per week £3,337 per month £40,040 per year
Upper earnings limit (UEL) £817 per week £3,540 per month £42,475 per year