microsoft.visualstudio.vspsqltdiagm.dll - Analyze and How to Fix Errors

★★★★★ Verified File (27.08.2026)

⚠️ Important Notice: Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	32-bit (x86)	Compatible with 32 and 64-bit Windows
Creation date	30.08.2005 10:47:33
File version	9.0.1314.0
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	✅ Have signed	File have signature, it is original file.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.

Hashes:

MD5: 2374735fa8406ca3decc99dce68e6206 ✅
SHA-1: 8a7956129d4923fbe9f23a1573ce044b1ba172a3
SHA-256: ce963ac23b9cf4c3f548682ddeb6e7084fc4fe25720b02dbba2f1dfa0cea6950
SHA-512: 949b111769c0f247264bfc50a0a4f06e54dc9e62a4b5f7e03e6c7ec3106b54c0fcb91902cbd5c81040580d0e6c62390751f5b06e8eaa97770113da7827d883e9

Digital file signature `microsoft.visualstudio.vspsqltdiagm.dll` ✅

Publisher: Microsoft Corporation
Issuer: Microsoft Code Signing PCA
Encryption algorithm: SHA1
Time stamp: Aug 30 12:57:57 2005 GMT

✅ This file is compatible with 32-bit Windows and can run on ✅ 64-bit Windows (via the WOW64 subsystem).

File Description: microsoft.visualstudio.vspsqltdiagm.dll

The microsoft.visualstudio.vspsqltdiagm.dll is a dynamic link library (DLL) file associated with Microsoft Visual Studio. It is part of the diagnostic and performance profiling tools, specifically handling SQL-related diagnostic data collection or database tier profiling (indicated by the "vsp", "sql", and "diagm" naming components).

Standard File Location

This file is typically located within the Shared Components or Team Tools subdirectories of your Visual Studio installation. The exact path depends on your Visual Studio version:

Visual Studio 2022: C:\Program Files\Microsoft Visual Studio22\<Edition>\Team Tools\DiagnosticsHub\Collector\ or ...\Common7\IDE\PrivateAssemblies\
Visual Studio 2019 / 2017: C:\Program Files (x86)\Microsoft Visual Studio\<Year>\<Edition>\...

How to Fix microsoft.visualstudio.vspsqltdiagm.dll Errors (Without Downloading)

If you are seeing a missing, corrupted, or crash error related to this DLL, you should not download standalone DLL files from third-party websites, as they often contain malware or cause version mismatches. Use these native, built-in methods instead:

1. Run Visual Studio Installation Repair

The safest and most effective way to restore missing or corrupted Visual Studio DLLs is using the official installer.

Close Visual Studio.
Open the Start Menu and type Visual Studio Installer.
Locate your installed version of Visual Studio.
Click the More button (three lines or dropdown) and select Repair.
The installer will automatically scan, verify, and replace any corrupted or missing system files, including this DLL.

2. Run System File Checker (SFC) and DISM

If the file error is tied to underlying Windows performance dependencies, native Windows repair tools can fix it.

Right-click the Start Menu and select Terminal (Admin) or Command Prompt (Admin).
Type the following command and press Enter: DISM.exe /Online /Cleanup-image /Restorehealth
Wait for it to finish, then type the following command and press Enter: sfc /scannow
Restart your computer after the scans complete.

3. Clear the Visual Studio Component Cache

Sometimes the error is caused by a corrupted configuration cache rather than a missing file.

Close Visual Studio.
Open the Run dialog (Windows Key + R), type %localappdata%\Microsoft\VisualStudio\ and press Enter.
Open the folder corresponding to your version (e.g., 17.0 xxxx).
Find and delete the ComponentModelCache folder.
Restart Visual Studio (it will safely rebuild the cache automatically).

4. Re-register the DLL (If the file exists but isn't recognized)

If the file is present in its directory but Windows fails to read it, you can manually re-register it.

Open Command Prompt as Administrator.
Change the directory to the path where the file is located using the cd command, for example: cd "C:\Program Files\Microsoft Visual Studio22\Community\Team Tools\DiagnosticsHub\Collector"
Type the following command and press Enter: regsvr32 microsoft.visualstudio.vspsqltdiagm.dll

📊 Diagnostics Tool: Verify Your `microsoft.visualstudio.vspsqltdiagm.dll` File

Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.