SharePoint 2010 Error: An unexpected error has occured

You might have come across this page many times after you have deployed a new solution. Going through the SharePoint logs doesn't always help you with all the information you would need to solve this. To get more details install Microsoft SharePoint 2010 Administration Toolkit.

After you install it click on SharePoint Diagnostics Studio under SharePoint 2010 Administration toolkit folder in the start menu.
Click on new project .
Connect to one of the web front end servers.

Then Click on Search button on the menu section.
Enter the Correlation ID and click Ok.

Bingo!!! you should be able to see more details regarding that error. Hope this helps ..

Performance Point 2010  Dash-Board Designer Error:"An Unexpected system error has occurred .Additional Details have been logged for your administrator"


After you setup Performance Point services in your SharePoint 2010 Environment you might get the following error when creating  a new data source using the Dashboard Designer:
"An Unexpected system error has occurred .Additional Details have been logged for your administrator"

The common issue with this problem is the Service account that runs Performance Point services needs access to the Content database. To resolve this issue follow these steps:

• Open the Management Shell
• Type
•  get-spwebapplication -identity http://yourportallink
• $w=get-spwebapplication -identity http://yourPortalLink
• $w.GrantacccessToProcessIdentity(" Your Service Account")
• This should give the service account access to the content database and the error should be resolved