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Windows 7 is the latest and most usable os of windows version which is launched by Microsoft after Windows XP and Vista. This os is very successful and user friendly so system users most like to use this operating system but it is also not free from problems or errors. If this os is infected with the harmful programs or malicious programs then you can get errors. Sometime when you try to upgrade windows 7 os with the help of Windows 7 Upgrade Adviser Tool then if failed due to some reasons such as missing system files, internet connection and malicious programs. During the upgrading the Windows 7 it must use a proxy to access the internet but if the connection interruption with the internet or the Upgrade Adviser tool is unable to reach to the Microsoft Server then you may get the error message as-

“Windows 7 Upgrade Advisor was unable to reach the Microsoft server for compatibility information. Check your internet connection and try again later.”

Cause of this error:-
Cause of Windows 7 Upgrade Advisor tool failed to run is when user tries to upgrade windows 7 with the help of Windows 7 Upgrade Adviser Tool but this tool is unable to reach to the Microsoft Server for compatibility information. As we know that during this process it is must that the proxy is available but if the proxy authentication is unable to support by Windows 7 Upgrade Adviser tool and the internet connection is missing then it can’t reach to the Microsoft Server so it produce the error and also indicate in with the error message that check the internet connection and try again.

  • The most common reason behind this error is installing incompatible or outdated driver, missing system files, corrupted registry file or damaged pc by viruses. Advanced System Repair Tool is the only solution for all the system errors. By installing this tool you will be able to remove above windows error.
    3 Steps to Fix this Error

    Step 1. Download Advance System Repair Tool [File Size: 15.7 MB]
    Step 2. SCAN your Windows PC
    Step 3. Click Fix button to Repair Error


How to solve this problem:-

You can fix the problem if Windows 7 Upgrade Advisor tool failed to run and occurs the error message that “Windows 7 Upgrade Advisor was unable to reach the Microsoft server for compatibility information”. For the solution of this error you have to check that the you have authentication of proxy or not if not then get the authentication and also check the internet connection because the whole process depends on the both important factors. You can also fix this error by creating an anonymous access rule which must be specific for the destination as-
Action: Allow
Protocols: HTTP, HTTPS
From/Listener: Internal
To: Domain Name Set
aeos.microsoft.com
aestats.microsoft.com
crl.microsoft.com
download.microsoft.com
go.microsoft.com
Condition: All Users
If you will follow the given steps then you can upgrade windows 7 successfully with the Upgrade Adviser tool. You can also do that restart the system and scan it with a powerful antivirus which must be updated so that it can remove the malicious programs of the system if they are injected in the system.

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Windows 7 Upgrade Advisor was unable to reach the Microsoft server for compatibility information

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