Hai
Following are some of the common SharePoint Server installation issues and solutions
Issue 1: an exception of type System.IO.FileNotFoundException was thrown. additional exception information: could not load file or assembly Microsoft.IdentityModel version=3.5.0.0
This issue will raise because Windows Identify Pack wasn’t installed. Install Windows Identify pack and run again.
Be sure to install 6.0 for Vista and 6.1 for Windows 7.
Issue 2: Failed to create the configuration database. An exception of type System.Security.Cryptography.CryptographicException was thrown. Additional exception information: The data is invalid.
To resolve this issue, follow the steps
Modify the ACL(Access Control Lists) on the 14 directory under %commonprogramfiles\Microsoft Shared\Web Server Extensions.
Right-click on the folder %commonprogramfiles%\Microsoft Shared\Web Server Extensions\14, and then select the Security tab.
On the 14 Properties dialog under the Security tab, select Edit.
Permissions for 14 dialog click Add
