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STATUS_VOLMGR_PRIMARY_PACK_PRESENT
A second primary-pack state conflicts with the existing configuration
STATUS_VOLMGR_PRIMARY_PACK_PRESENT means a primary pack is already present when the current operation attempts to establish another one. The conflict is between pack identities or roles, not between two drive letters.
Packs group disks and volumes managed by the dynamic provider. The public error table names the primary-pack condition but does not define a safe rule for choosing which pack should win, so automatically rewriting identifiers or importing disks into the existing pack can be destructive.
Enumerate the current packs, identify the already-primary pack, and determine where the incoming pack originated. This status is particularly important during migration or foreign-disk handling, where a configuration from another computer may carry a pack identity that should be imported deliberately rather than merged blindly.
What to inspect
- Record the identifier and disk membership of the existing primary pack and the incoming pack.
- Check whether the operation follows a foreign-disk import, migration, or recovery workflow.
- Do not rewrite pack metadata merely to remove the conflict; first establish which configuration contains the authoritative volume layout.
References
- Microsoft VOLMGR entry for STATUS_VOLMGR_PRIMARY_PACK_PRESENT.
- Microsoft VDS pack model for groups of dynamic disks and volumes.
- Microsoft procedure for importing Foreign dynamic disks.
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