Category: Server Support
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What ports for VPN
For PPTP: IP Protocol=TCP, TCP Port number=1723Â Â <- Used by PPTP control path IPÂ Protocol=GRE (value 47)Â Â <- Used by PPTP data path For L2TP:For SSTP: IP Protocol Type=UDP, UDP Port Number=500Â Â Â <- Used by IKEv1 (IPSec control path) IP Protocol Type=UDP, UDP Port Number=4500Â Â <- Used by IKEv1 (IPSec control path) IPÂ Protocol Type=ESP (value 50)Â Â
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change you key in office 2010 onwards..
It can be done via the command line. Open up a Command Prompt (Press the Windows Button and type CMD or navigate to All Programs -> Accessories -> Command Prompt). Then you just need to use the command below that matches your OS. For 32 bit Windows: cscript “C:\Program Files\Microsoft Office\Office15\OSPP.VBS” /inpkey:yourkeygoeshere For
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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.
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Spam block lists for exchange 2010 and 2007
Spam block lists for exchange 2010 and 2007 Fed up with spam.. Why not enable a block list in exhchange. Adding the IP Block List provider to Exchange is very simple, just open up the Exchange Management Shell and run the command below: Add-IPBlockListProvider -Name SORBIS -LookupDomain dnsbl.sorbs.net -AnyMatch $True -Enabled $True -RejectionResponse “Your IP
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How to find the proper MTU size for my network
Helpful hint: One way to verify whether if it is an MTU problem is to try and access the application or website via dial up access. Since dial up uses a default MTU of 576 bytes you will not have the same problems as broadband. If you have problems with both broadband and dial up