Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 0.34%
6.2.9200.16384 (win8_rtm.120725-1247) 0.90%
6.2.9200.16384 (win8_rtm.120725-1247) 4.64%
6.1.7600.16385 (win7_rtm.090713-1255) 20.25%
6.1.7600.16385 (win7_rtm.090713-1255) 11.65%
6.1.7600.16385 (win7_rtm.090713-1255) 4.86%
6.1.7600.16385 (win7_rtm.090713-1255) 2.04%
6.1.7600.16385 (win7_rtm.090713-1255) 0.11%
6.0.6000.16386 (vista_rtm.061101-2205) 2.71%
6.0.6000.16386 (vista_rtm.061101-2205) 0.79%
6.0.6000.16386 (vista_rtm.061101-2205) 13.24%
6.0.6000.16386 (vista_rtm.061101-2205) 1.02%
6.0.6000.16386 (vista_rtm.061101-2205) 0.11%
6.0.6000.16386 (vista_rtm.061101-2205) 0.23%
5.2.3790.3959 (srv03_sp2_rtm.070216-1710) 0.23%
5.1.2600.5654 (xpsp_sp3_qfe.080806-1410) 2.38%
5.1.2600.5654 (xpsp_sp3_qfe.080806-1410) 0.11%
5.1.2600.5654 (xpsp_sp3_qfe.080806-1410) 0.11%
5.1.2600.5512 (xpsp.080413-0852) 21.61%
5.1.2600.5512 (xpsp.080413-0852) 0.11%
5.1.2600.5512 (xpsp.080413-0852) 0.11%
5.1.2600.5512 (xpsp.080413-0852) 0.11%
5.1.2600.5512 (xpsp.080413-0852) 1.24%
5.1.2600.5512 (xpsp.080413-0852) 0.23%
5.1.2600.5512 (xpsp.080413-0852) 1.13%
View more

Relationships

PE structurePE file structure
Show functions
Import table
advapi32.dll
RegQueryValueExA, ConvertSidToStringSidW, RevertToSelf, ImpersonateLoggedOnUser, DuplicateTokenEx, RegOpenKeyExA, RegSaveKeyW, SetTokenInformation, GetKernelObjectSecurity, GetSecurityDescriptorDacl, RegQueryValueExW, RegDeleteKeyW, RegCloseKey, RegOpenKeyExW, RegEnumKeyExW, RegSetValueExW, RegCreateKeyExW, RegQueryInfoKeyW, RegOpenCurrentUser, SetServiceStatus, RegEnumValueW, RegDeleteValueW, SetSecurityDescriptorGroup, SetSecurityDescriptorOwner, SetSecurityDescriptorDacl, InitializeSecurityDescriptor, AddAccessAllowedAce, InitializeAcl, GetLengthSid, GetSidSubAuthority, InitializeSid, GetSidLengthRequired, FreeSid, CheckTokenMembership, AllocateAndInitializeSid, LookupAccountSidW, GetTokenInformation, OpenThreadToken, RegNotifyChangeKeyValue, RegisterServiceCtrlHandlerW, OpenProcessToken, CloseServiceHandle, ChangeServiceConfigW, OpenServiceW, OpenSCManagerW, LogonUserW, EqualSid, AdjustTokenPrivileges, LookupPrivilegeValueW, AddAce, GetAce, GetAclInformation, IsValidSid, SetKernelObjectSecurity
api-ms-win-core-localregistry-l1-1-0.dll
RegOpenKeyExA, RegQueryValueExA, RegNotifyChangeKeyValue, RegDeleteValueW, RegEnumValueW, RegOpenCurrentUser, RegQueryInfoKeyW, RegCreateKeyExW, RegSetValueExW, RegEnumKeyExW, RegOpenKeyExW, RegCloseKey, RegQueryValueExW, RegDeleteKeyExW
api-ms-win-service-core-l1-1-0.dll
SetServiceStatus
api-ms-win-service-management-l1-1-0.dll
OpenSCManagerW, OpenServiceW, CloseServiceHandle
api-ms-win-service-management-l2-1-0.dll
ChangeServiceConfigW
api-ms-win-service-winsvc-l1-1-0.dll
RegisterServiceCtrlHandlerW
kernel32.dll
SetUnhandledExceptionFilter, InitializeCriticalSectionAndSpinCount, GlobalFree, GlobalAlloc, DeleteFileW, GetWindowsDirectoryW, UnhandledExceptionFilter, lstrlenW, MultiByteToWideChar, LeaveCriticalSection, EnterCriticalSection, ReleaseMutex, WaitForSingleObject, InterlockedIncrement, InterlockedDecrement, SetEvent, InterlockedExchange, LoadLibraryW, FreeLibrary, GetLastError, LocalAlloc, GetSystemTime, Sleep, CloseHandle, CreateMutexW, GetCurrentThreadId, DuplicateHandle, GetTickCount, InitializeCriticalSection, DisableThreadLibraryCalls, ResetEvent, HeapAlloc, HeapFree, WriteFile, SetThreadPriority, GetCurrentThread, DeleteCriticalSection, GetComputerNameExW, CreateEventW, OpenProcess, CreateFileW, GetPrivateProfileIntW, GetComputerNameW, TerminateProcess, GetProcAddress, lstrcmpiW, CreateThread, ExitThread, HeapCompact, GetProcessHeap, WaitForMultipleObjects, WritePrivateProfileStringW, GetPrivateProfileSectionNamesW, UnregisterWait, HeapDestroy, GetSystemInfo, OpenEventW, GetModuleHandleW, HeapCreate, GetCurrentProcess, GetPrivateProfileStringW, GetPrivateProfileSectionW, GetFileAttributesExW, GetSystemWindowsDirectoryW, GetSystemDirectoryW, GetFileSize, UnmapViewOfFile, IsDBCSLeadByte, MapViewOfFile, CreateFileMappingW, GetCurrentDirectoryW, WritePrivateProfileSectionW, FindClose, FindNextFileW, FindFirstFileW, LocalFree, FileTimeToSystemTime, GetSystemTimeAsFileTime, OutputDebugStringA, lstrlenA, GetLocalTime, InterlockedCompareExchange, QueryPerformanceCounter, GetCurrentProcessId, CompareStringW, K32EnumProcesses, DelayLoadFailureHook, LoadLibraryExA
msvcrt.dll
DllMain
ole32.dll
CoUninitialize, CoInitializeEx, StringFromGUID2, CoCreateInstance
psapi.dll
EnumProcesses
rpcrt4.dll
RpcImpersonateClient, RpcServerUnregisterIf, RpcBindingFree, RpcBindingSetAuthInfoW, RpcStringFreeW, I_RpcExceptionFilter, RpcRevertToSelf, RpcStringBindingComposeW, RpcServerInqCallAttributesW, RpcCancelThread, RpcMgmtSetCancelTimeout, RpcServerRegisterIfEx, RpcServerListen, RpcServerRegisterAuthInfoW, RpcServerUseProtseqEpW, NdrServerCall2, NdrClientCall2, RpcBindingFromStringBindingW, RpcServerInqDefaultPrincNameW
rtutils.dll
TraceRegisterExW, TraceDeregisterW, TraceVprintfExA
secur32.dll
GetComputerObjectNameW
user32.dll
LoadIconW, LoadStringW, DestroyIcon
winmm.dll
waveOutMessage, waveInMessage, midiInMessage, midiOutMessage
Export table
ServiceMain
SvchostPushServiceGlobals

tapisrv.dll

Microsoft Windows Telephony Server by Microsoft

Remove tapisrv.dll
Version:   6.1.7600.16385 (win7_rtm.090713-1255)
MD5:   40f0849f65d13ee87b9a9ae3c1dd6823
SHA1:   f7b1c0cfcd33912dfabed9bf8f289dd76cca7fa7
SHA256:   e251a7ef3d0fd2973af33a62fc457a7e8d5e8694208f811f52455f7c2426121f
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is tapisrv.dll?

The Telephony service implements Telephony Application Programming Interface (TAPI) services to support programs that effectively work the same way over intranets, the Internet, and traditional public phone networks.

About tapisrv.dll (from Microsoft)

“You can use the Telephony Microsoft Management Console (MMC) snap-in to manage the telephony servers on your network. A telephony server manages telecommunications equipment, such as a Private Branch ”

DetailsDetails

File name:tapisrv.dll
Publisher:Microsoft Corporation
Product name:Microsoft® Windows(TM) Telephony Server
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\tapisrv.dll
Original name:TAPISRV.EXE.MUI
File version:6.1.7600.16385 (win7_rtm.090713-1255)
Product version:6.1.7600.16385
Size:309.5 KB (316,928 bytes)
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C# / Basic .NET
.NET CLR:Yes
.NET NGENed:No
More details

BehaviorsBehaviors

Hosted services
Runs as a shared service under the Windows svcHost
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'
  • Shared name is 'TapiSrv'

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 42.50%
Windows 7 Ultimate 29.50%
Windows 7 Professional 11.50%
Windows Vista Home Premium 8.50%
Windows 7 Home Basic 4.50%
Windows 7 Starter 1.50%
Windows Vista Ultimate 1.00%
Windows Vista Business 0.50%
Windows Vista™ Home Premium 0.50%

Distribution by countryDistribution by country

United States installs about 35.90% of Microsoft® Windows(TM) Telephony Server.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 22.98%
Dell 21.77%
Acer 15.32%
Toshiba 12.10%
Lenovo 7.26%
ASUS 7.26%
Sony 4.84%
Gateway 2.42%
Samsung 1.61%
Intel 1.61%
GIGABYTE 1.21%
American Megatrends 0.81%
Medion 0.81%
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