Max. length of MSO MailItem.EntryID

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D

DPM

Hi,

I am using a DB to store the EntryIDs of MS Outlook emails, so that these

mails can be referred later using the DB.

What I noticed is the length of the MSO MailItem.EntryID is,

- 48 characters for normal MSO 2003 SP2

- 140 characters for MSO using exchange server

Could someone please advice what is the maximum length, a MSO

MailItem.EntryID could have with any other configuration, to decide on the

length of the DB field?

or

Is there any other fixed length MailItem attribute which could be used to

uniquely identify a mail item in MSO?
 
There is no fixed length, it's more or less up to the store provider. Don't

rely on a specific length. In most cases you'd be safe setting a size of 256

characters, but I wouldn't want to guarantee it.

"DPM" <aa@bb.cc> wrote in message

news:%23U3knWjzJHA.3404@TK2MSFTNGP02.phx.gbl...
> Hi,

> I am using a DB to store the EntryIDs of MS Outlook emails, so that these
> mails can be referred later using the DB.

> What I noticed is the length of the MSO MailItem.EntryID is,
> - 48 characters for normal MSO 2003 SP2
> - 140 characters for MSO using exchange server

> Could someone please advice what is the maximum length, a MSO
> MailItem.EntryID could have with any other configuration, to decide on the
> length of the DB field?
> or
> Is there any other fixed length MailItem attribute which could be used to
> uniquely identify a mail item in MSO?

>
 
Discovered the hard way many years ago that the Exch EntryID can exceed the

max Text length of 255 for an Access DB using Contact.EntryID's (assuming

the same applies to MailItem). While this may simply be a coincidence, the

issue only surfaced for 2 European installations (European Exch beta sites

worked just fine and and never was an issue for North American Exch configs.

Issue was fixed very early so no way to know if geography was at

all significant). Problem solved by changing to a Memo field.

Karl

_____________

ContactGenie - Importer 1.3 / DataPorter 2.0 / Exporter

"Power contact importers/exporters for MS Outlook '2000/2007"

"DPM" <aa@bb.cc> wrote in message

news:%23U3knWjzJHA.3404@TK2MSFTNGP02.phx.gbl...
> Hi,

> I am using a DB to store the EntryIDs of MS Outlook emails, so that these
> mails can be referred later using the DB.

> What I noticed is the length of the MSO MailItem.EntryID is,
> - 48 characters for normal MSO 2003 SP2
> - 140 characters for MSO using exchange server

> Could someone please advice what is the maximum length, a MSO
> MailItem.EntryID could have with any other configuration, to decide on the
> length of the DB field?
> or
> Is there any other fixed length MailItem attribute which could be used to
> uniquely identify a mail item in MSO?

>
 
Thanks Ken.
<kenslovak@mvps.org> wrote in message

news:%23WcF2tkzJHA.1096@TK2MSFTNGP06.phx.gbl...
> There is no fixed length, it's more or less up to the store provider.
> Don't rely on a specific length. In most cases you'd be safe setting a
> size of 256 characters, but I wouldn't want to guarantee it.

> >

>

> "DPM" <aa@bb.cc> wrote in message
> news:%23U3knWjzJHA.3404@TK2MSFTNGP02.phx.gbl...
> > Hi,
>

>> I am using a DB to store the EntryIDs of MS Outlook emails, so that these
> > mails can be referred later using the DB.
>

>> What I noticed is the length of the MSO MailItem.EntryID is,
> > - 48 characters for normal MSO 2003 SP2
> > - 140 characters for MSO using exchange server
>

>> Could someone please advice what is the maximum length, a MSO
> > MailItem.EntryID could have with any other configuration, to decide on
> > the length of the DB field?
> > or
> > Is there any other fixed length MailItem attribute which could be used to
> > uniquely identify a mail item in MSO?
>

>>
>
 
Thanks Karl.

So it's ideal to use a Memo field.

"Karl Timmermans" <karl@claxton.com> wrote in message

news:ub103TlzJHA.1420@TK2MSFTNGP04.phx.gbl...
> Discovered the hard way many years ago that the Exch EntryID can exceed
> the
> max Text length of 255 for an Access DB using Contact.EntryID's (assuming
> the same applies to MailItem). While this may simply be a coincidence, the
> issue only surfaced for 2 European installations (European Exch beta sites
> worked just fine and and never was an issue for North American Exch
> configs.
> Issue was fixed very early so no way to know if geography was at
> all significant). Problem solved by changing to a Memo field.

> Karl
> _____________
>

> ContactGenie - Importer 1.3 / DataPorter 2.0 / Exporter
> "Power contact importers/exporters for MS Outlook '2000/2007"
>

> "DPM" <aa@bb.cc> wrote in message
> news:%23U3knWjzJHA.3404@TK2MSFTNGP02.phx.gbl...
> > Hi,
>

>> I am using a DB to store the EntryIDs of MS Outlook emails, so that these
> > mails can be referred later using the DB.
>

>> What I noticed is the length of the MSO MailItem.EntryID is,
> > - 48 characters for normal MSO 2003 SP2
> > - 140 characters for MSO using exchange server
>

>> Could someone please advice what is the maximum length, a MSO
> > MailItem.EntryID could have with any other configuration, to decide on
> > the
> > length of the DB field?
> > or
> > Is there any other fixed length MailItem attribute which could be used to
> > uniquely identify a mail item in MSO?
>

>>

>
 
Will readily agree with Ken - vast majority of cases will likely be handled

with a text(255) field. If you're writing for a single location and aren't

running over the 255 char limit with anything now - you're probably safe

with that size as were all the Exch sites using our programs at the outset.

Since the issue got dealt with as soon as the problem was located, have no

idea how prevasive the issue of > 255 characters is or under what

circumstances - never looked back to find out. It took several months for

the problem to surface originally and in both reported incidents involved

new customers who coincidently installed/eval'd within days of each other.

So yes, if you never want to worry about field size for EntryID under any

circumstances - memo field would be the choice.

Karl

_____________

ContactGenie - Importer 1.3 / DataPorter 2.0 / Exporter

"Power contact importers/exporters for MS Outlook '2000/2007"

"DPM" <aa@bb.cc> wrote in message

news:%23GDx$ZtzJHA.3988@TK2MSFTNGP05.phx.gbl...
> Thanks Karl.
> So it's ideal to use a Memo field.

> "Karl Timmermans" <karl@claxton.com> wrote in message
> news:ub103TlzJHA.1420@TK2MSFTNGP04.phx.gbl...
> > Discovered the hard way many years ago that the Exch EntryID can exceed
> > the
> > max Text length of 255 for an Access DB using Contact.EntryID's (assuming
> > the same applies to MailItem). While this may simply be a coincidence,
> > the
> > issue only surfaced for 2 European installations (European Exch beta
> > sites
> > worked just fine and and never was an issue for North American Exch
> > configs.
> > Issue was fixed very early so no way to know if geography was at
> > all significant). Problem solved by changing to a Memo field.
>

>> Karl
> > _____________
> >

> > ContactGenie - Importer 1.3 / DataPorter 2.0 / Exporter
> > "Power contact importers/exporters for MS Outlook '2000/2007"
> >

>

>
>
>
>> "DPM" <aa@bb.cc> wrote in message
> > news:%23U3knWjzJHA.3404@TK2MSFTNGP02.phx.gbl...
> >> Hi,
> >
>>> I am using a DB to store the EntryIDs of MS Outlook emails, so that
> >> these
> >> mails can be referred later using the DB.
> >
>>> What I noticed is the length of the MSO MailItem.EntryID is,
> >> - 48 characters for normal MSO 2003 SP2
> >> - 140 characters for MSO using exchange server
> >
>>> Could someone please advice what is the maximum length, a MSO
> >> MailItem.EntryID could have with any other configuration, to decide on
> >> the
> >> length of the DB field?
> >> or
> >> Is there any other fixed length MailItem attribute which could be used
> >> to
> >> uniquely identify a mail item in MSO?
> >
>>>
>

>
>>

>
 
That would be my recommendation also, a Memo field. That way you never have

to worry about exact id length at all.

"Karl Timmermans" <karl@claxton.com> wrote in message

news:e3mUJEyzJHA.6004@TK2MSFTNGP02.phx.gbl...
> Will readily agree with Ken - vast majority of cases will likely be
> handled with a text(255) field. If you're writing for a single location
> and aren't running over the 255 char limit with anything now - you're
> probably safe with that size as were all the Exch sites using our programs
> at the outset. Since the issue got dealt with as soon as the problem was
> located, have no idea how prevasive the issue of > 255 characters is or
> under what circumstances - never looked back to find out. It took several
> months for the problem to surface originally and in both reported
> incidents involved new customers who coincidently installed/eval'd within
> days of each other.

> So yes, if you never want to worry about field size for EntryID under any
> circumstances - memo field would be the choice.

> Karl

> _____________
>

> ContactGenie - Importer 1.3 / DataPorter 2.0 / Exporter
> "Power contact importers/exporters for MS Outlook '2000/2007"
>

>
 
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