# Installation Guide

### Versions of EMSRV

VisualAge Smalltalk Version 6.0 supports EMSRV Version 6.23 or higher. If you have a server that is running EMSRV code prior to EMSRV Version 7.0, the EMADMIN 7.0 utility will not work. For example, if your server is running EMSRV Version 6.24, you cannot use EMADMIN Version 7.0 with that server. We recommend that you upgrade to the latest versions of EMSRV and EMADMIN.

#### Changes to EMSRV 7.1

EMSRV 7.1 includes fixes to known defects, along with several enhancements.

- Removed `-n` option to disable tracking of statistics. Statistics are now always tracked.
- Removed `-w` option to track locks. Locks are now always tracked.
- Removed `-rd` option on PC platforms to disable authentication. Authentication is disabled by default.
- Changed `-v` option on UNIX platforms to `-rn` for consistency with PC platforms.
- Changed `-r` option on UNIX platforms to `-rp` for consistency with PC platforms.
- Changed default free space threshold on UNIX platforms to 10000 KB for consistency with PC platforms.
- Fixed incorrect reporting of installed memory on NetWare and Windows NT/2000.
- Fixed bug where errors were not being logged on UNIX platforms.
- Fixed bug on NetWare where memory for an SMP machine is incorrectly reported.
- Added `-a` option on PC platforms to change the timeout for killing connections that are inactive with a lock.
- Changed default for inactivity timeout from 360 seconds to 30 seconds.
- Removed `-lp` option on UNIX platforms to set timeout for killing connections that are inactive with a lock.
- Changed default maximum number of connections from 256 to 512.
- Fixed bug on Windows NT/2000 platforms, where changing the current working directory for one connection would cause the current working directory to be changed for all connections. If a user was browsing the filesystem managed by EMSRV, other users would sometimes experience failures when attempting to perform any operation that supplied a relative pathname to EMSRV.
- Issue warning for Windows NT/2000 SMP hardware. (This configuration is not supported).
- For UNIX platforms, removed all code associated with device numbers including `-xd` option. EMSRV will now check the filesystem type and reject any path residing on a filesystem of type `nfs` for AIX, HP-UX, and Solaris; or type 0x6969 (NFS_SUPER_MAGIC) for Linux.

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