iIS 7.5 error: HTTP Error 500.21 - Internal Server Error Handler PageHandlerFactory-Integrated has a bad module ManagedPipelineHandler in its module list

if you found the following error on IIS 7.5 while opening asp.net 4.0 application

iIS 7.5 error: HTTP Error 500.21 - Internal Server Error Handler “PageHandlerFactory-Integrated” has a bad module “ManagedPipelineHandler” in its module list

then run these commands to install asp.net 4.0 to fix the issue

%windir%\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe -i

%windir%\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe -i

Biztalk 2010 service not started after windows restart in windows 2008 server R2

To resolve this issue, configure the Enterprise Single Sign-on service and each BizTalk Service service to use the Automatic (Delayed Start) startup type. To do this, follow these steps:

1. Click Start, type services in the Start Search box, and then select Services in the Programs list. If you are prompted for an administrator password or for a confirmation, type the password, or click Continue.


2. Under Name, right-click Enterprise Single Sign-on Service, and then click Properties.


3. In the Startup type box, click Automatic (Delayed Start), and then click OK.


4. Under Name, right-click a BizTalk Service service, and then click Properties.


5. In the Startup type box, click Automatic (Delayed Start), and then click OK.


6. Repeat steps 4 and 5 for any remaining BizTalk Service services.

Source : http://support.microsoft.com/kb/942284