Microsoft-Windows-BitLocker-Driver-Performance

46 events across 1 channel

Event	Title	Channel	Sample
1	fve:ReadRequest	Operational	Y
2	fve:ReadRequest	Operational	Y
3	fve:WriteRequest	Operational	Y
4	fve:WriteRequest	Operational	Y
5	fve:ReadSubRequest	Operational	N
6	fve:WriteSubRequest	Operational	N
7	fve:ReadSubRequestStart	Operational	N
8	fve:ReadSubRequestStop	Operational	N
9	fve:WriteSubRequestStart	Operational	N
10	fve:WriteSubRequestStop	Operational	N
11	fve:VolumeStackCreate	Operational	N
12	fve:VolumeStackDelete	Operational	N
13	fve:VolumeDiscoveryStart	Operational	N
14	fve:VolumeDiscoveryStop	Operational	N
15	fve:MetadataWriteStart	Operational	N
16	fve:MetadataWriteStop	Operational	N
17	fve:FveIoctlStart	Operational	N
18	fve:FveIoctlStop	Operational	N
19	fve:FveActionStart	Operational	N
20	fve:FveActionStop	Operational	N
21	fve:ConversionStart	Operational	N
22	fve:ConversionStop	Operational	N
23	fve:ConversionStepStart	Operational	N
24	fve:ConversionStepStop	Operational	N
25	fve:SliderMoveStart	Operational	N
26	fve:SliderMoveStop	Operational	N
27	fve:IoDecryptRequestStart	Operational	N
28	fve:IoDecryptRequestStop	Operational	N
29	fve:IoEncryptRequestStart	Operational	N
30	fve:IoEncryptRequestStop	Operational	N
31	fve:BCryptEncryptRequestStart	Operational	N
32	fve:BCryptEncryptRequestStop	Operational	N
33	fve:BCryptDecryptRequestStart	Operational	N
34	fve:BCryptDecryptRequestStop	Operational	N
35	fve:BCryptEncryptRequestStart35	Operational	N
36	fve:BCryptEncryptRequestStop36	Operational	N
37	fve:BCryptEncryptRequestStart37	Operational	N
38	fve:BCryptEncryptRequestStop38	Operational	N
39	fve:BCryptDecryptRequestStart39	Operational	N
40	fve:BCryptDecryptRequestStop40	Operational	N
41	fve:BCryptDecryptRequestStart41	Operational	N
42	fve:BCryptDecryptRequestStop42	Operational	N
43	fve:BCryptEncryptRequestStart43	Operational	N
44	fve:BCryptEncryptRequestStop44	Operational	N
45	fve:BCryptDecryptRequestStart45	Operational	N
46	fve:BCryptDecryptRequestStop46	Operational	N

Event ID 1: fve:ReadRequest

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Also via: realtime ETW trace
Level: Informational
Task: fve:ReadRequest
Opcode: Start

Fields #

Name	Description
`DevObjPtr` Pointer
`IrpPtr` Pointer

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-BitLocker-Driver-Performance",
    "guid": "{1DE130E1-C026-4CBF-BA0F-AB608E40AEEA}",
    "event_source_name": "",
    "event_id": 1,
    "version": 0,
    "level": 4,
    "task": 1,
    "opcode": 1,
    "keywords": "0x0000000000000020",
    "time_created": "2026-06-02T05:41:26.365+00:00",
    "event_record_id": 0,
    "correlation": {},
    "execution": {
      "process_id": 3756,
      "thread_id": 15096
    },
    "channel": "ETW Trace",
    "computer": "DESKTOP-FF3N5XK",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "DevObjPtr": "0xFFFFBD09E2D09030",
    "IrpPtr": "0xFFFFBD09F3553010"
  },
  "message": "fve:ReadRequest"
}

Event ID 2: fve:ReadRequest

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Also via: realtime ETW trace
Level: Informational
Task: fve:ReadRequest
Opcode: Stop

Fields #

Name	Description
`DevObjPtr` Pointer
`IrpPtr` Pointer

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-BitLocker-Driver-Performance",
    "guid": "{1DE130E1-C026-4CBF-BA0F-AB608E40AEEA}",
    "event_source_name": "",
    "event_id": 2,
    "version": 0,
    "level": 4,
    "task": 1,
    "opcode": 2,
    "keywords": "0x0000000000000020",
    "time_created": "2026-06-02T05:41:26.366+00:00",
    "event_record_id": 0,
    "correlation": {},
    "execution": {
      "process_id": 10660,
      "thread_id": 13648
    },
    "channel": "ETW Trace",
    "computer": "DESKTOP-FF3N5XK",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "DevObjPtr": "0xFFFFBD09E2D09030",
    "IrpPtr": "0xFFFFBD09F3553010"
  },
  "message": "fve:ReadRequest"
}

Event ID 3: fve:WriteRequest

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Also via: realtime ETW trace
Level: Informational
Task: fve:WriteRequest
Opcode: Start

Fields #

Name	Description
`DevObjPtr` Pointer
`IrpPtr` Pointer

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-BitLocker-Driver-Performance",
    "guid": "{1DE130E1-C026-4CBF-BA0F-AB608E40AEEA}",
    "event_source_name": "",
    "event_id": 3,
    "version": 0,
    "level": 4,
    "task": 2,
    "opcode": 1,
    "keywords": "0x0000000000000020",
    "time_created": "2026-06-02T05:41:25.566+00:00",
    "event_record_id": 0,
    "correlation": {},
    "execution": {
      "process_id": 4,
      "thread_id": 1496
    },
    "channel": "ETW Trace",
    "computer": "DESKTOP-FF3N5XK",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "DevObjPtr": "0xFFFFBD09E2D09030",
    "IrpPtr": "0xFFFFBD09F2E7F520"
  },
  "message": "fve:WriteRequest"
}

Event ID 4: fve:WriteRequest

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Also via: realtime ETW trace
Level: Informational
Task: fve:WriteRequest
Opcode: Stop

Fields #

Name	Description
`DevObjPtr` Pointer
`IrpPtr` Pointer

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-BitLocker-Driver-Performance",
    "guid": "{1DE130E1-C026-4CBF-BA0F-AB608E40AEEA}",
    "event_source_name": "",
    "event_id": 4,
    "version": 0,
    "level": 4,
    "task": 2,
    "opcode": 2,
    "keywords": "0x0000000000000020",
    "time_created": "2026-06-02T05:41:25.567+00:00",
    "event_record_id": 0,
    "correlation": {},
    "execution": {
      "process_id": 14172,
      "thread_id": 6176
    },
    "channel": "ETW Trace",
    "computer": "DESKTOP-FF3N5XK",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "DevObjPtr": "0xFFFFBD09E2D09030",
    "IrpPtr": "0xFFFFBD09F2E7F520"
  },
  "message": "fve:WriteRequest"
}

Event ID 5: fve:ReadSubRequest

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:ReadSubRequest

Fields #

Name	Description
`DevObjPtr` Pointer
`IrpPtr` Pointer
`SubIrpPtr` Pointer

Event ID 6: fve:WriteSubRequest

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:WriteSubRequest

Fields #

Name	Description
`DevObjPtr` Pointer
`IrpPtr` Pointer
`SubIrpPtr` Pointer

Event ID 7: fve:ReadSubRequestStart

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:ReadSubRequest
Opcode: Start

Fields #

Name	Description
`DevObjPtr` Pointer
`IrpPtr` Pointer

Event ID 8: fve:ReadSubRequestStop

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:ReadSubRequest
Opcode: Stop

Fields #

Name	Description
`DevObjPtr` Pointer
`IrpPtr` Pointer

Event ID 9: fve:WriteSubRequestStart

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:WriteSubRequest
Opcode: Start

Fields #

Name	Description
`DevObjPtr` Pointer
`IrpPtr` Pointer

Event ID 10: fve:WriteSubRequestStop

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:WriteSubRequest
Opcode: Stop

Fields #

Name	Description
`DevObjPtr` Pointer
`IrpPtr` Pointer

Event ID 11: fve:VolumeStackCreate

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:VolumeStackCreate

Fields #

Name	Description
`DevObjPtr` Pointer
`PdoPtr` Pointer

Event ID 12: fve:VolumeStackDelete

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:VolumeStackDelete

Fields #

Name	Description
`DevObjPtr` Pointer
`PdoPtr` Pointer

Event ID 13: fve:VolumeDiscoveryStart

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:VolumeDiscovery
Opcode: Start

Fields #

Name	Description
`DevObjPtr` Pointer

Event ID 14: fve:VolumeDiscoveryStop

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:VolumeDiscovery
Opcode: Stop

Fields #

Name	Description
`DevObjPtr` Pointer

Event ID 15: fve:MetadataWriteStart

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:MetadataWrite
Opcode: Start

Fields #

Name	Description
`DevObjPtr` Pointer
`Index` UInt32
`Offset` UInt64

Event ID 16: fve:MetadataWriteStop

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:MetadataWrite
Opcode: Stop

Fields #

Name	Description
`DevObjPtr` Pointer
`Index` UInt32
`Offset` UInt64

Event ID 17: fve:FveIoctlStart

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:FveIoctl
Opcode: Start

Fields #

Name	Description
`DevObjPtr` Pointer
`Command` UInt32

Event ID 18: fve:FveIoctlStop

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:FveIoctl
Opcode: Stop

Fields #

Name	Description
`DevObjPtr` Pointer
`Command` UInt32

Event ID 19: fve:FveActionStart

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:FveAction
Opcode: Start

Fields #

Name	Description
`DevObjPtr` Pointer
`Command` UInt32

Event ID 20: fve:FveActionStop

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:FveAction
Opcode: Stop

Fields #

Name	Description
`DevObjPtr` Pointer
`Command` UInt32

Event ID 21: fve:ConversionStart

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:Conversion
Opcode: Start

Fields #

Name	Description
`DevObjPtr` Pointer
`Command` UInt32

Event ID 22: fve:ConversionStop

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:Conversion
Opcode: Stop

Fields #

Name	Description
`DevObjPtr` Pointer
`Command` UInt32

Event ID 23: fve:ConversionStepStart

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:ConversionStep
Opcode: Start

Fields #

Name	Description
`DevObjPtr` Pointer
`Offset` UInt64
`Size` UInt32
`Command` UInt32

Event ID 24: fve:ConversionStepStop

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:ConversionStep
Opcode: Stop

Fields #

Name	Description
`DevObjPtr` Pointer
`Offset` UInt64
`Size` UInt32
`Command` UInt32

Event ID 25: fve:SliderMoveStart

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:SliderMove
Opcode: Start

Fields #

Name	Description
`DevObjPtr` Pointer
`PrevOffset` UInt64
`NextOffset` UInt64
`Size` UInt64

Event ID 26: fve:SliderMoveStop

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:SliderMove
Opcode: Stop

Fields #

Name	Description
`DevObjPtr` Pointer
`PrevOffset` UInt64
`NextOffset` UInt64
`Size` UInt64

Event ID 27: fve:IoDecryptRequestStart

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:IoDecryptRequest
Opcode: Start

Fields #

Name	Description
`DevObjPtr` Pointer
`SubIrpPtr` Pointer
`Offset` UInt64
`Size` UInt32

Event ID 28: fve:IoDecryptRequestStop

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:IoDecryptRequest
Opcode: Stop

Fields #

Name	Description
`DevObjPtr` Pointer
`SubIrpPtr` Pointer
`Offset` UInt64
`Size` UInt32

Event ID 29: fve:IoEncryptRequestStart

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:IoEncryptRequest
Opcode: Start

Fields #

Name	Description
`DevObjPtr` Pointer
`SubIrpPtr` Pointer
`Offset` UInt64
`Size` UInt32

Event ID 30: fve:IoEncryptRequestStop

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:IoEncryptRequest
Opcode: Stop

Fields #

Name	Description
`DevObjPtr` Pointer
`SubIrpPtr` Pointer
`Offset` UInt64
`Size` UInt32

Event ID 31: fve:BCryptEncryptRequestStart

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptEncryptRequest
Opcode: Start

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Event ID 32: fve:BCryptEncryptRequestStop

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptEncryptRequest
Opcode: Stop

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Event ID 33: fve:BCryptDecryptRequestStart

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptDecryptRequest
Opcode: Start

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Event ID 34: fve:BCryptDecryptRequestStop

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptDecryptRequest
Opcode: Stop

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Event ID 35: fve:BCryptEncryptRequestStart35

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptEncryptRequest
Opcode: Start

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Event ID 36: fve:BCryptEncryptRequestStop36

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptEncryptRequest
Opcode: Stop

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Event ID 37: fve:BCryptEncryptRequestStart37

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptEncryptRequest
Opcode: Start

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Event ID 38: fve:BCryptEncryptRequestStop38

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptEncryptRequest
Opcode: Stop

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Event ID 39: fve:BCryptDecryptRequestStart39

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptDecryptRequest
Opcode: Start

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Event ID 40: fve:BCryptDecryptRequestStop40

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptDecryptRequest
Opcode: Stop

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Event ID 41: fve:BCryptDecryptRequestStart41

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptDecryptRequest
Opcode: Start

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Event ID 42: fve:BCryptDecryptRequestStop42

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptDecryptRequest
Opcode: Stop

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Event ID 43: fve:BCryptEncryptRequestStart43

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptEncryptRequest
Opcode: Start

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Event ID 44: fve:BCryptEncryptRequestStop44

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptEncryptRequest
Opcode: Stop

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Event ID 45: fve:BCryptDecryptRequestStart45

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptDecryptRequest
Opcode: Start

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Event ID 46: fve:BCryptDecryptRequestStop46

Provider: Microsoft-Windows-BitLocker-Driver-Performance
Channel: Operational
Task: fve:BCryptDecryptRequest
Opcode: Stop

Fields #

Name	Description
`BufferPtr` Pointer
`Size` UInt32

Provenance

Where this provider's schema came from, and which Windows build it was observed on. Windows can change a provider's event schema between builds, so use this to judge whether it matches the build you collect from.

ETW provider GUID {1DE130E1-C026-4CBF-BA0F-AB608E40AEEA}

Defined in fvevol.sys, the binary that emits these events.

Observed on:

Win11-26200.6584, sample captured from a live trace, binary version 10.0.26100.4768, captured 2026-06-02
Win11-26200.6584, schema read from the registered manifest, binary version 10.0.26100.4768, captured 2026-06-02

Downloads

Microsoft-Windows-BitLocker-Driver-Performance registered manifest XML (in the Win11-26200.6584 manifest pack, 2.0 MB) manifest-xml

`j` / `k`	Scroll down / up
`d` / `u`	Half-page down / up
`gg` / `G`	Top / bottom
`h` / `l`	History back / forward
`f`	Follow link (`Shift` = new tab)
`/`	Focus search
`?`	Toggle this help
`↑` / `↓`	Navigate search results
`Enter`	Open highlighted result
`Esc`	Close results / dialog

`type:`	`events` / `rules` / `providers`
`vendor:`	`sigma` / `elastic` / `splunk` / `kusto` / `chronicle` (vendor name alone also works: `sigma:`, `kql:`, `secops:`…)
`tactic:`	TA-id, slug, or name: `credential_access`, `TA0006`
`technique:`	technique or sub-technique ID: `T1003`, `T1003.001` (alias `tech:`)
`severity:`	`critical` / `high` / `medium` / `low` / `informational` (alias `sev:`)
`risk_score`	Numeric comparison on the Elastic risk score (0 to 100): `risk_score>50`, `risk_score<=20`, `risk_score=99` (alias `risk`; Elastic rules only)
`stages:`	Rules with exactly N pipeline stages
`correlation:`	`single_event` / `sequence` / `alternatives` / `alternatives_cross_log` / `all_required` / `correlated`
`with:`	Co-occurrence event-id; stacks (`with:4624 with:4769`) to require all, while a comma list in one occurrence (`with:4624,4769`) is an either-or group. Implies multi-event
`like:`	Structural neighbors of a rule slug (equivalents + subsumption stricter / broader): `like:comsvcs_lsass_memory_dump-splunk-sysmon`
`groupby:`	Entity-grouping substring match against `group_by_keys`: `groupby:user`, `groupby:host`
`uses:`	Rules whose predicate tree touches the field (any kind, any value): `uses:CommandLine`
`excludes:`	Rules with top-level `not()` clauses on the field (FP whitelists): `excludes:ParentImage`
`field:` / `value:`	Predicate search; narrows rule cards to those with a matching leaf and drives the indicator tier. Unquoted = substring, wildcards allowed (`value:mimikatz`)
`indicator:`	Shorthand for `field:F value:V`: `indicator:Image=*\powershell.exe`
`kind:`	Filter by predicate kind. Narrows rule cards to those carrying a matching predicate leaf (`vendor:elastic kind:cidr_match`) and drives the indicator tier: `contains` / `starts_with` / `ends_with` / `regex` / `cidr` / `eq` / `in` … (operator aliases `op:`/`match:`)
`has:` / `no:`	`sample`, `field`, `notes`, `refs`, `trace`, `thirdparty`, `rule`, `pattern`, `timewindow`, `threshold`, `newterms`, `sigma`/`elastic`/`splunk`/`kusto`/`chronicle`
`-op:val`	Exclude matches; works on most operators but not `type:`/`like:`/`has:`/`no:` (use `no:<flag>` to exclude a rule flag): `tactic:execution -vendor:splunk`. Standalone `-kind:`/`-field:`/`-value:` drop every rule carrying a matching predicate leaf (`type:rules -kind:is_null`)
`field:"…"` / `value:"…"`	Quoted value = anchored exact match (also allows spaces): `value:"net user"`
`a,b`	Comma = OR inside one operator (`vendor:sigma,elastic`, `severity:high,critical`); repeating a facet merges the same way. `field:`/`value:` never split (literal commas)
`vendors:` / `stage:`	Singular and plural spellings fold to the canonical operator and value: `tactics:` = `tactic:`, `type:event` = `type:events`, `correlation:sequences` = `correlation:sequence`, `has:thresholds` = `has:threshold`
`"quoted phrase"`	Exact-match a multi-word phrase (free text)